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Characters between < and element name

Chrome logo 1
Firefox logo 1
Edge logo 1
Safari logo 1

Characters that can be after the opening angle bracket and still form a valid HTML element

ThomasOrlita
Created byThomasOrlita
Created Apr 15, 2024
Updated May 28, 2025

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

Sample payloads

<<img/src/onerror=alert(1)>

Fuzz results

Chrome logo
Chrome 145.0.0.0 desktop Windows NT 10.0
Updated16 Feb 2026
Found 1 result
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Chrome logo
Chrome 143.0.0.0 desktop macOS 10.15.7older version
Updated25 Jan 2026
Found 1 result
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Chrome logo
Chrome 123.0.0.0 Unknown Unknownolder version
Updated15 Apr 2024
Found 1 result
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Firefox logo
Firefox 148.0 desktop Windows NT 10.0
Updated23 Feb 2026
Found 1 result
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Firefox logo
Firefox 142.0 desktop macOS 10.15older version
Updated23 Sept 2025
Found 1 result
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Edge logo
Microsoft Edge 145.0.0.0 desktop Windows NT 10.0
Updated18 Feb 2026
Found 1 result
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Safari logo
Safari 26.0.1 desktop macOS 10.15.7
Updated24 Oct 2025
Found 1 result
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Safari logo
Safari 17.6 mobile iOS 17.6.1older version
Updated20 Aug 2024
Found 1 result
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