Characters that cause the backslash to be consumed with GBK charset

This vector demonstrates that certain characters consume backslashes when using a GBK charset

Shazzer Elite

Created Nov 7, 2024

Updated Jul 4, 2026

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CategoryCharacter Encoding

VisibilityPublic

TypeXSS

CharsetGBK

Template used:

<script>"$[chr]\"-log($[i])//"</script>

Sample payloads

<script>"\\"-alert(92)//"</script>