CVE-2024-34502

CriticalCVSS 9.8/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-352

Affected software

No affected versions have been published.

Timeline

Published
May 5, 2024
Last modified
Jun 17, 2026
NVD status
Modified

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CVE-2024-34502: Critical severity, CVSS 9.8 | Vulnix