CVE-2024-34502

published 2024-05-05

CVE-2024-34502: 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…

Priority P3 45 critical 9.8 CVSS 3.1

AV N AC L PR N UI N S U C H I H A H

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

4 ranges

Vendor	Product	Version range	Fixed in
fedoraproject	fedora	—	—
mediawiki	mediawiki	< 1.39.6	1.39.6
mediawiki	mediawiki	>= 1.40.0 < 1.40.2	1.40.2
mediawiki	mediawiki	>= 1.41.0 < 1.41.1	1.41.1

CVSS provenance

nvd v3.1 9.8 CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

vendor_redhat 9.8 CRITICAL

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CWE-352