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GHSA-5vj8-g3qg-4qh6critical9.8

X-Forwarded-For header allows brute-forcing autoblocked IP addresses

Impact

An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An auto-block can occur for an untrusted X-Forwarded-For header.

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 1.39.0 before 1.39.3Ecosystem versions1.39.3
From 1.38.0 before 1.38.6Ecosystem versions1.38.6
Earlier releases before 1.35.10Ecosystem versions1.35.10

Version evidence: OSV · GHSA-5vj8-g3qg-4qh6

View original version evidence (135 explicit versions)

Original source description

An issue was discovered in MediaWiki before 1.35.10, 1.36.x through 1.38.x before 1.38.6, and 1.39.x before 1.39.3. An auto-block can occur for an untrusted X-Forwarded-For header.

References