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Characters that can be between < and script>

Chrome logo 1
Firefox logo 1
Edge logo 1

Many blacklists do not allow < to be followed by a letter

m10x
Created bym10x
Created Nov 12, 2024
Updated May 27, 2025

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CategoryHTML Parsing
VisibilityPublic
TypeHTML
CharsetUTF-8
Template used:
<$[chr]script><notfound></script>

Sample payloads

<<script><notfound></script>

Fuzz results

Chrome logo
Chrome 144.0.0.0 desktop Windows NT 10.0

Updated

Sat Jan 31 2026
Found 1 result
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Chrome logo
Chrome 143.0.0.0 desktop macOS 10.15.7older version

Updated

Sat Jan 31 2026
Found 1 result
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Firefox logo
Firefox 147.0 desktop Linux

Updated

Sun Feb 01 2026
Found 1 result
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Firefox logo
Firefox 144.0 desktop macOS 10.15older version

Updated

Thu Oct 23 2025
Found 1 result
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Firefox logo
Firefox 132.0 mobile Android 15older version

Updated

Tue Nov 12 2024
Found 1 result
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Edge logo
Microsoft Edge 144.0.0.0 desktop Windows NT 10.0

Updated

Sat Jan 31 2026
Found 1 result
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