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Related Vulnerabilities: CVE-2022-28202  

An XSS issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. The widthheight, widthheightpage, and nbytes properties of messages are not escaped when used in galleries or Special:RevisionDelete.

Source

Description

The MITRE CVE dictionary describes this issue as:

An XSS issue was discovered in MediaWiki before 1.35.6, 1.36.x before 1.36.4, and 1.37.x before 1.37.2. The widthheight, widthheightpage, and nbytes properties of messages are not escaped when used in galleries or Special:RevisionDelete.

Additional Information

  • Bugzilla 2074123: CVE-2022-28202 mediawiki: xss due to incorrect escaping
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • FAQ: Frequently asked questions about CVE-2022-28202

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