Escape inline double quote

Characters that can break out of an inline value with double quotes

Created bylUcgryy

Created Mar 7, 2025

Updated May 28, 2025

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CategoryHTML Parsing

VisibilityPublic

TypeXSS

CharsetUTF-8

Template used:

<input  id="test" value="s$[chr]onload="alert(1)" />

Code used after fuzz:

let a = document.getElementById("test");0x0D
if (typeof a.onload === 'function') {0x0D
log(String.fromCharCode($[i]))0x0D
  }

Sample payloads

<input  id="test" value="s0x00onload="alert(1)" />