CVE-2021-42049: Mediawiki

Medium severity, CVSS 6.5. EPSS: 1% chance of exploitation in the next 30 days.

An issue was discovered in the Translate extension in MediaWiki through 1.36.2. Oversighters cannot undo revisions or oversight on pages where they suppressed information (such as PII). This allows oversighters to whitewash revisions.

Affected products

• Mediawiki Mediawiki: up to and including 1.36.2

Published 2022-09-29. Last modified 2026-06-17.