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MediaWiki before 1.23.11, 1.24.x before 1.24.4, and 1.25.x before 1.25.3 does not properly restrict access to revisions, which allows remote authenticated users with the viewsuppressed user right to remove revision suppressions via a crafted revisiondelete action, which returns a valid a change form.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade mediawiki | Jul 30, 2024 | Nov 9, 2015 |
| Freebsd | — | Upgrade mediawiki123Upgrade mediawiki124Upgrade mediawiki125 | Dec 10, 2025 | Oct 23, 2015 |
| Mediawiki | — | Upgrade MediaWiki to the latest version | Aug 24, 2017 | Nov 9, 2015 |
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