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Anchor Attributes CSS Closing Comments HTML HTML5 JavaScript Protocol Script URL XSS attribute bla bypass challenge char comment data encoding entities entity event events expression flash for fun handler href img innerHTML navigateURL onload prompt properties regex space src string style svg tag tags test testing uri vbscript waf xml

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Fuzz Vectors

Searching for "JavaScript"

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Description Vector Created by
Characters that eat JavaScript regex escapes <script> var regexChars = /*chr*\$/g if(!("*chr*$".match(regexChars))) { logChr(*num*) } </script> @tifkin_
Characters that modify JavaScript regex character classes <script> var regexChars = /[*chr*.]/g if(!(".".match(regexChars))) { logChr(*num*) } <script> @tifkin_
Characters ignored in Javascript function call with unicode 2 <script>l\*chr*u006fg(*num*)</script> @garethheyes
Characters ignored in Javascript function call with unicode <script>l\u006f*chr*g(*num*)</script> @garethheyes
JavaScript characters that swallow the next character <script>a='asdf*chr*\';logChr(*num*)//asdf'</script> @tifkin_
Characters that separate JavaScript object key and value <script> var obj = {"foo"*chr*"bar"}; logChr(*num*) </script> @peksa
JavaScript operators that separate objects and scopes <script> var v = {}*chr*{"string in blockscope"} logChr(*num*) </script> @peksa
JavaScript operators that evaluate argument in variable assignment <script> var v = {}*chr*logChr(*num*) </script> @peksa
Things that break from URIs javascript comments <a href="javascript://*chr*logChr(*num*)">aaa</a> @0xAli
HTML input image tag attributes that run JavaScript <input *datahtmlattributes*="customLog('*datahtmlattributes*')" type="image" src="about:blank"> @peksa
HTML input tag attributes that run JavaScript <input *datahtmlattributes*="customLog('*datahtmlattributes*')" type="text"> @peksa
Characters that start JavaScript double quote strings <script> *chr*"; logChr(*num*) </script> @peksa
Characters that escape JavaScript single line comments <script> // hmm *chr*logChr(*num*) </script> @peksa
Ignored characters in javascript protocol uris <script> var a = document.createElement('a'); a.href = "java\u*hex4*script:alert()"; if (a.href === "javascript:alert()") { logChr(*num*); } </script> @peksa
Characters that separate JavaScript assignment statements <script> var a={}*chr*b={}&logChr(*num*); </script> @Giutro
Characters that allow a new statement to begin2 <script> var a={}*chr*b=logChr(*num*); </script> @tifkin_
Characters that allow a new statement to begin <script> var a={}*chr*logChr(*num*); </script> @tifkin_
Characters that can be used to terminate entities in an href <a href="javascript&colon*chr*log(*num*)" id="fuzzelement*num*">test</a> @tifkin_
Characters that make a double quote valid <script> *chr*"; logChr(*num*); </script> @tifkin_
Characters allowed after domain <a href="http://google.com*chr*breakme" id="fuzzelement*num*">test</a> @avlidienbrunn
Characters allowed before http <a href="http://*chr*google.com" id="fuzzelement*num*">test</a> @avlidienbrunn
Characters allowed to hex encodings of javascript variables <script> lo\u*chr*0067Chr(*num*); </script> @tifkin_
Characters allowed to hex encode javascript <script> lo\*chr*0067Chr(*num*); </script> @tifkin_
Protocols before Javascript to run code by using Flash navigateURL <script> setTimeout("if(document.getElementById('myframe*dataprotocols*').contentWindow.document.location.hash.substring(1)) customLog('*dataprotocols*');",1000) </script> <iframe id="myframe*dataprotocols*" src="http://victim.com/testme/flashtest/link_protocol_test.swf?input=*dataprotocols*javascript:document.location='http://shazzer.co.uk/%23@irsdl'"></iframe> @irsdl
Characters not encoded with encodeURIComponent <script> chr=String.fromCharCode(*num*); result=''; try{ result=encodeURIComponent(chr); }catch(e){} if(!/%/.test(result)&&result.length) { ids.push(*num*); } </script> @garethheyes
Characters not encoded with encodeURI <script> chr=String.fromCharCode(*num*); result=''; try{ result=encodeURI(chr); }catch(e){} if(!/%/.test(result)&&result.length) { ids.push(*num*); } </script> @garethheyes
Characters after javascript uri <a href="javascript*chr*:alert(1)" id="fuzzelement*num*">test</a> @insertScript
Characters before javascript uri <a href="*chr*javascript:alert(1)" id="fuzzelement*num*">test</a> @insertScript
JS Property check middle character <img src=xx:xx onerror=window[['log*chr*Chr']](*num*)> @garethheyes
JS Property check ending character <img src=xx:xx onerror=window[['logChr*chr*']](*num*)> @garethheyes
Characters allowed before slashes no protocol <a href="*chr*//google.com" id="fuzzelement*num*">test</a> @garethheyes
Characters allowed inside slashes no protocol <a href="/*chr*/google.com" id="fuzzelement*num*">test</a> @garethheyes
Characters allowed instead of slash 2 <a href="http:*chr**chr*google.com" id="fuzzelement*num*">test</a> @garethheyes
Characters allowed instead of slash <a href="http:*chr*google.com" id="fuzzelement*num*">test</a> @garethheyes
Characters allowed after slash <a href="http:/*chr*/google.com" id="fuzzelement*num*">test</a> @garethheyes
Characters allowed inside http <a href="ht*chr*tp://google.com" id="fuzzelement*num*">test</a> @garethheyes
Characters allowed instead of forward slash in url <a href="*chr**chr*google.com" id="fuzzelement*num*">test</a> @garethheyes
Characters allowed instead of colon in js url <a href="javascript*chr*alert(1)" id="fuzzelement*num*">test</a> @garethheyes
Entities allowed instead of colon for js protocol htmlStr = '<a href="javascript'+*dataentities*+'123">test</a>'; document.getElementById('placeholder').innerHTML = htmlStr; try { if(document.getElementById('placeholder').firstChild.protocol === 'javascript:') { customLog(*dataentities*); } }catch(e){}; @peksa
Entities allowed after js protocol htmlStr = '<a href="javascript'+*dataentities*+':123">test</a>'; document.getElementById('placeholder').innerHTML = htmlStr; try { if(document.getElementById('placeholder').firstChild.protocol === 'javascript:') { customLog(*dataentities*); } }catch(e){}; @garethheyes
Entities allowed before js protocol htmlStr = '<a href="'+*dataentities*+'javascript:123">test</a>'; document.getElementById('placeholder').innerHTML = htmlStr; try { if(document.getElementById('placeholder').firstChild.protocol === 'javascript:') { customLog(*dataentities*); } }catch(e){}; @garethheyes
Determine what character can be at the end of the javascript but before the colon <!-- sample vector --> <img src=xx:xx *chr*onerror=logChr(*num*)> <a href=javascript*chr*:alert(*num*)>*num*</a> @MisterJyu
Characters to end script tag via JavaScript regex 002 <script>log(*num*,1</script*chr*//)</script> @0x6D6172696F
Characters to end script tag via JavaScript regex 001 <script>log(*num*,1</script*chr*/)</script> @0x6D6172696F
Iframe contentDocument properties <iframe src="http://businessinfo.co.uk" id="iframe"></iframe> <script> window.addEventListener('load', function(){ props=props.concat(Object.getOwnPropertyNames(document)); for(var i=-100;i<100;i++) { props.push(i); } props.forEach(function(){ try{ if(document.getElementById('iframe').contentDocument[arguments[0]])customLog(arguments[0]); }catch(e){}; }) }, false); </script> @garethheyes
Iframe contentWindow properties <iframe src="http://businessinfo.co.uk" id="iframe"></iframe> <script> window.addEventListener('load', function(){ props=props.concat(Object.getOwnPropertyNames(document)); for(var i=-100;i<100;i++) { props.push(i); } props.forEach(function(){ try{ if(document.getElementById('iframe').contentWindow[arguments[0]])customLog(arguments[0]); }catch(e){}; }) }, false); </script> @garethheyes
Characters eating backslash in javascript string 2 <script>if("x\*chr*".length==2) { log(*num*);}</script> @mhswende
Characters eating backslash in javascript string <script>if("x\*chr*".length==1) { log(*num*);}</script> @mhswende
Characters ignored inside javascript string v2 <script>if("x*chr*x" == "xx") { log(*num*);}</script> @mhswende
Characters ignored in html event handler name <img src=x on*chr*Error="javascript:log(*num*)"/> @mhswende
Characters ignored in Javascript function call "`'><script>lo*chr*g(*num*)</script> @mhswende
Uncode sequences generating illegitimate ASCII <script> "\ud83d\u*hex4*".match(/.*<.*/) ? log(*num*) : null; </script> @0x6D6172696F
Characters allowed after ampersand in named character references <a href="javascript&*chr*colon;log(*num*)" id="fuzzelement*num*">test</a> @_cweb
Characters consuming backslashes and breaking JS strings <script>a='abc\*chr*\';log(*num*)//def';</script> @0x6D6172696F
Events in tags with src or href that execute javascript <*datahtmlelements* data=about:blank background=about:blank action=about:blank type=image/gif src=about:blank href=about:blank *dataevents*="customLog('*datahtmlelements* *dataevents*')"></*datahtmlelements*> @garethheyes
Tags and events that execute javascript 2 <*datahtmlelements* *dataevents*="javascript:parent.customLog('*datahtmlelements* *dataevents*')"></*datahtmlelements*> @garethheyes
Tags and events that execute javascript <*datahtmlelements* *datahtmlattributes*="javascript:parent.customLog('*datahtmlelements* *datahtmlattributes*')"></*datahtmlelements*> @garethheyes
Does this browser support e4x <script>try{eval("<></>");logBoolean(1)}catch(e){logBoolean(0)};</script> @garethheyes
Characters escaping JS comment delimiters 001 <script>/* **chr*/log(*num*)// */</script> @0x6D6172696F
Characters breaking CSS strings allowing expression "'`>ABC<div style="font-family:'foo*chr*;x:expression(log(*num*));/*';">DEF @0x6D6172696F
Characters ending CSS values allowing expressions "'`>ABC<div style="font-family:'foo'*chr*x:expression(log(*num*));/*';">DEF @0x6D6172696F
Characters breaking JavaScript Regex delimiter "'`><script>a=/hello;*chr*;i=0;log(*num*);a/i;</script> @0x6D6172696F
Characters before paren in Javascript call "'`><script>log*chr*(*num*)</script> @garethheyes
Characters in between protocol in js url <a href="javas*chr*cript:alert(1)" id="fuzzelement*num*">test</a> @garethheyes
Characters that close JS Comments '"`><script>/* **chr*log(*num*)// */</script> @garethheyes
Characters allowed before protocol in js url <a href="*chr*javascript:alert(1)" id="fuzzelement*num*">test</a> @garethheyes
Characters allowed before colon in js url <a href="javascript*chr*:alert(1)" id="fuzzelement*num*">test</a> @garethheyes
NULL Characters inside JavaScript properties `'"><script>window['log*chr*'](*num*)</script> @garethheyes
Characters allowed before a JavaScript function "`'><script>*chr*log(*num*)</script> @garethheyes