VULNERABILITY INTELLIGENCE

CVE-2024-34502

CVSS score9.8 CRITICAL

EPSS probability0.41%

CISA KEVNot currently listed

Published2024-05-05

Last modified2026-06-17

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

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.

Weakness classification

134c704f-9b21-4f2e-91b3-4a467353bcc0: CWE-352

Primary references

cve@mitre.org — Patch, Vendor Advisory
cve@mitre.org — Mailing List, Third Party Advisory
cve@mitre.org — Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108 — Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108
af854a3a-2127-422b-91ae-364da2661108 — Issue Tracking, Vendor Advisory