HomeMediawikiCVE-2024-34502

CVE-2024-34502

CRITICAL
9.8CVSS
Published: 2024-05-05
Updated: 2025-11-04
AI Analysis

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.

CVSS Metrics

Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
network
Complexity
low
Privileges
none
User Action
none
Scope
unchanged
Confidentiality
high
Integrity
high
Availability
high
Weaknesses
CWE-352

Metadata

Primary Vendor
MEDIAWIKI
Published
5/5/2024
Last Modified
11/4/2025
Source
NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

mediawiki : mediawikimediawiki : mediawikimediawiki : mediawikifedoraproject : fedora

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Executive Intelligence Brief

CVE-CVE-2024-34502 | CRITICAL Severity | CVEDatabase.com | CVEDatabase.com