mediawiki: In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.xbefore 1.34.2, private wikis behind a caching...
CVE-2020-15005 is fixed in 2 products on 1 platform, first by mediawiki 1:1.31.8-1, released January 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.
In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.xbefore 1.34.2, private wikis behind a caching server using the img_auth.phpimage authorization security feature may have had their files cachedpublicly, so any unauthorized user could view them. This occurs becauseCache-Control and Vary headers were mishandled.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| mediawiki · Ubuntu 24.10 (oracular) | 1:1.31.8-1 | mediawiki 1:1.31.8-1 | Jan 16, 2026 |
| mediawiki · Ubuntu 25.04 (plucky) | 1:1.31.8-1 | mediawiki 1:1.31.8-1 | Jan 16, 2026 |
| mediawiki-classes · Ubuntu 24.10 (oracular) | 1:1.31.8-1 | mediawiki-classes 1:1.31.8-1 | Jan 16, 2026 |
| mediawiki-classes · Ubuntu 25.04 (plucky) | 1:1.31.8-1 | mediawiki-classes 1:1.31.8-1 | Jan 16, 2026 |
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