Characters allowed either side of a variable assignment
This vector checks which characters are valid syntax before & after an assignment
Created byhackvertor
Created Jul 18, 2025
Updated Jul 18, 2025
Detecting browser...
CategoryXSS Execution
VisibilityPublic
TypeJS
CharsetUTF-8
Template used:
$[chr]x=123$[chr]0x0D
log($[i])Sample payloads
⟦09⟧x=123⟦09⟧0x0D
alert(9)
x=123
0x0D
alert(10)0x0Bx=1230x0B0x0D
alert(11)0x0Cx=1230x0C0x0D
alert(12)0x0Dx=1230x0D0x0D
alert(13) x=123 0x0D
alert(32)"x=123"0x0D
alert(34)'x=123'0x0D
alert(39)/x=123/0x0D
alert(47);x=123;0x0D
alert(59)`x=123`0x0D
alert(96)nx=123n0x0D
alert(110) x=123 0x0D
alert(160) x=123 0x0D
alert(5760) x=123 0x0D
alert(8192) x=123 0x0D
alert(8193) x=123 0x0D
alert(8194) x=123 0x0D
alert(8195) x=123 0x0D
alert(8196) x=123 0x0D
alert(8197)Fuzz results
Chrome 145.0.0.0 desktop Windows NT 10.0
Updated16 Feb 2026
Found 31 results
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Chrome 144.0.0.0 desktop macOS 10.15.7older version
Updated25 Jan 2026
Found 31 results
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Firefox 148.0 desktop Windows NT 10.0
Updated23 Feb 2026
Found 31 results
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Firefox 140.0 desktop macOS 10.15older version
Updated18 Jul 2025
Found 31 results
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Microsoft Edge 145.0.0.0 desktop Windows NT 10.0
Updated16 Feb 2026
Found 31 results
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Safari 26.0 desktop macOS 10.15.7
Updated18 Jul 2025
Found 31 results
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