Characters ending XML Processing Instructions (WIP)

Characters ending XML Processing Instructions tags, ? replacement.

Created by: ola456

Created on: Tuesday, February 4, 2025 at 12:12:08 PM

Updated on: Wednesday, February 5, 2025 at 5:53:40 AM

Vector type: XSS

Vector charset: UTF-8

Template used:

<iframe src='data:application/xml,<?xml version="1.0" encoding="UTF-8"$[chr]><x:script xmlns:x="http://www.w3.org/1999/xhtml">window.parent.postMessage("$[chr]","*")</x:script>'></iframe>
<script>
  window.addEventListener('message', e => console.log(e.data));
</script>

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