Characters allowed either side of a variable assignment

This vector checks which characters are valid syntax before & after an assignment

Created by: hackvertor

Created on: Friday, July 18, 2025 at 11:25:07 AM

Updated on: Friday, July 18, 2025 at 11:25:07 AM

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Category: XSS Execution

Vector visibility: Public

Vector type: JS

Vector charset: UTF-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)