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GHSA-pjv5-vv93-p648medium6.1

Possible to circumvent title-blacklist

Impact

MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.

Source excerpt · OSV

Affected packages

Start with the recorded fix for your release branch. Check your installed version and test compatibility before upgrading. Fixing this advisory does not rule out other vulnerabilities in the release.

mediawiki/core Packagist
Affected rangeRecorded fix
From 1.31.0 before 1.31.6Ecosystem versions1.31.6
From 1.32.0 before 1.32.6Ecosystem versions1.32.6
From 1.33.0 before 1.33.2Ecosystem versions1.33.2
From 1.33.99 before 1.34.0Ecosystem versions1.34.0

Version evidence: OSV · GHSA-pjv5-vv93-p648

View original version evidence (16 explicit versions)

Original source description

MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.

References