Headline
CVE-2022-28202: Messages widthheight/widthheightpage/nbytes not escaped when used in galleries or Special:RevisionDelete
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.
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Low
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Wikimedia Communities
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Restricted Application added a subscriber: Aklapper.
sbassett changed Author Affiliation from N/A to Wikimedia Communities.
sbassett changed the visibility from “Custom Policy” to "Public (No Login Required)".
sbassett changed Risk Rating from N/A to Low.
Reedy renamed this task from Messages widthheight/widthheightpage/nbytes not escaped when used in galleries or Special:RevisionDelete to CVE-2022-: Messages widthheight/widthheightpage/nbytes not escaped when used in galleries or Special:RevisionDelete.
Reedy renamed this task from CVE-2022-: Messages widthheight/widthheightpage/nbytes not escaped when used in galleries or Special:RevisionDelete to CVE-2022-28202: Messages widthheight/widthheightpage/nbytes not escaped when used in galleries or Special:RevisionDelete.
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Gentoo Linux Security Advisory 202305-24 - Multiple vulnerabilities have been found in MediaWiki, the worst of which could result in denial of service. Versions greater than or equal to 1.25.2 are affected.