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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Debian | — | Upgrade mediawiki | Sep 26, 2022 | Mar 30, 2022 |
| Freebsd | — | Upgrade mediawiki137Upgrade mediawiki135Upgrade mediawiki136 | Nov 4, 2022 | Apr 4, 2022 |
| Gentoo Linux | — | Upgrade www-apps/mediawiki. | May 23, 2023 | Mar 30, 2022 |
| Mediawiki | — | Upgrade MediaWiki to the latest version | Apr 7, 2022 | Mar 30, 2022 |
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