Unrated severityNVD Advisory· Published May 5, 2024· Updated Nov 4, 2025

CVE-2024-34502

Description

An issue was discovered in WikibaseLexeme in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. Loading Special:MergeLexemes will (attempt to) make an edit that merges the from-id to the to-id, even if the request was not a POST request, and even if it does not contain an edit token.

Affected products

MediaWiki/MediaWikidescription
osv-coords
pkg:bitnami/mediawiki
Range: < 1.41.1

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/mitrevendor-advisory
gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359mitre
phabricator.wikimedia.org/T357101mitre

News mentions

No linked articles in our index yet.

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