| Package | Affected versions | Patched versions |
|---|---|---|
| mediawiki/core | ≥ 1.32.0, < 1.33.4≥ 1.34.0, < 1.34.2< 1.31.8 | 1.33.41.34.21.31.8 |
| mediawiki | ≥ 1.32.0, < 1.33.4≥ 1.34, < 1.34.2< 1.31.8 | 1.33.41.34.21.31.8 |
In MediaWiki before 1.31.8, 1.32.x and 1.33.x before 1.33.4, and 1.34.x before 1.34.2, private wikis behind a caching server using the img_auth.php image authorization security feature may have had their files cached publicly, so any unauthorized user could view them. This occurs because Cache-Control and Vary headers were mishandled.
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