https://github.com/sonarsource/mxss-cheatsheet

This repository is a one-stop shop for diving deep into the fascinating world of mXSS (mutations caused by browser quirks in HTML parsing). providing a curated list of examples that showcase unexpected HTML behaviors.
https://github.com/sonarsource/mxss-cheatsheet

Last synced: 5 months ago
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This repository is a one-stop shop for diving deep into the fascinating world of mXSS (mutations caused by browser quirks in HTML parsing). providing a curated list of examples that showcase unexpected HTML behaviors.

• Host: GitHub
• URL: https://github.com/sonarsource/mxss-cheatsheet
• Owner: SonarSource
• License: lgpl-3.0
• Created: 2024-04-18T14:43:02.000Z (over 1 year ago)
• Default Branch: master
• Last Pushed: 2025-02-25T13:30:04.000Z (11 months ago)
• Last Synced: 2025-06-08T11:51:24.143Z (7 months ago)
• Language: HTML
• Homepage:
• Size: 79.1 KB
• Stars: 22
• Watchers: 20
• Forks: 4
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • Contributing: contributing.md
  • License: LICENSE
  • Codeowners: .github/CODEOWNERS

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README

          
# mXSS cheatsheet

_mXSS cheatsheet_ is a curated list of HTML parsing quirks made to help building payloads and testing applications for mXSS vulnerabilities. 

This repository is only here for contributors; please use the website to search through vectors: [https://sonarsource.github.io/mxss-cheatsheet/](https://sonarsource.github.io/mxss-cheatsheet/)