CVE-2022-29547: Mediawiki Createredirect

High severity, CVSS 7.5. EPSS: 1% chance of exploitation in the next 30 days.

The CreateRedirect extension before 2022-04-14 for MediaWiki does not properly check whether the user has permissions to edit the target page. This could lead to an unauthorised (or blocked) user being able to edit a page.

Affected products

• Mediawiki Createredirect: before 2022-04-14 (fixed in 2022-04-14)

Published 2022-04-21. Last modified 2026-06-17.