characters allowed between exclamation mark and greater then
Testing characters that still close a HTML comment
Created byInsertScript
Created Jun 18, 2024
Updated May 28, 2025
Detecting browser...
CategoryHTML Parsing
VisibilityPublic
TypeHTML
CharsetUTF-8
Template used:
<!----!$[chr]><found>Sample payloads
<!----!>><img/src/onerror=alert(1)>Fuzz results
Chrome 145.0.0.0 desktop Windows NT 10.0
Updated16 Feb 2026
Found 1 result
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Chrome 144.0.0.0 desktop Linuxolder version
Updated16 Feb 2026
Found 1 result
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Firefox 147.0 desktop Linux
Updated1 Feb 2026
Found 1 result
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Microsoft Edge 145.0.0.0 desktop Windows NT 10.0
Updated18 Feb 2026
Found 1 result
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