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char not urlencoded (data+)

Chrome logo 157
Firefox logo 157
Edge logo 157

char not URL-encoded (data+) - string

nu11secur1ty
Created bynu11secur1ty
Created Sep 29, 2024
Updated May 27, 2025

Tweet
Detecting browser...
CategoryURL Handling
VisibilityPublic
TypeJS
CharsetUTF-8
$[data1] placeholderall_browser_events
$[data2] placeholderall_browser_events
Code used before fuzz:
const anchor = document.createElement('a');
Template used:
anchor.href='http://example.com';0x0D
anchor.protocol = 'http' + String.fromCodePoint($[i]) + ':';0x0D
if(!/http:/.test(anchor.protocol+''))log('$[data2]')

Sample payloads

anchor.href='http://example.com';0x0D
anchor.protocol = 'http' + String.fromCodePoint(0) + ':';0x0D
if(!/http:/.test(anchor.protocol+''))alert('')

Fuzz results

Chrome logo
Chrome 145.0.0.0 desktop Windows NT 10.0
Updated16 Feb 2026
Found 157 results
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Chrome logo
Chrome 143.0.0.0 desktop macOS 10.15.7older version
Updated28 Jan 2026
Found 157 results
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Firefox logo
Firefox 148.0 desktop Windows NT 10.0
Updated23 Feb 2026
Found 157 results
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Firefox logo
Firefox 147.0 desktop Linuxolder version
Updated1 Feb 2026
Found 157 results
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Edge logo
Microsoft Edge 145.0.0.0 desktop Windows NT 10.0
Updated18 Feb 2026
Found 157 results
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