Characters allowed in between start of HTML tag name and event handler
Characters allowed in between start of HTML tag name and event handler
Created byAyushXtha
Created Mar 4, 2026
Updated Mar 4, 2026
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CategoryHTML Parsing
VisibilityPublic
TypeXSS
CharsetUTF-8
Template used:
<a$[chr]id="test">Code used after fuzz:
document.getElementById('test') && log(i)Sample payloads
<a0x09id="test"><a
id="test"><a0x0Cid="test"><a0x0Did="test"><a id="test"><a/id="test">Fuzz results
Chrome 148.0.0.0 desktop Windows NT 10.0
Updated15 Mar 2026
Found 6 results
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Chrome 146.0.0.0 desktop macOS 10.15.7older version
Updated9 Mar 2026
Found 6 results
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Chrome 145.0.0.0 desktop Linuxolder version
Updated9 Mar 2026
Found 6 results
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Firefox 150.0 desktop macOS 10.15
Updated14 Mar 2026
Found 6 results
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Firefox 148.0 desktop Linux Unknownolder version
Updated5 Mar 2026
Found 6 results
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Microsoft Edge 146.0.0.0 desktop Windows NT 10.0
Updated21 Mar 2026
Found 6 results
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Safari 26.0.1 mobile iOS 18.7
Updated4 Mar 2026
Found 6 results
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