CVE-2024-34502

Severity CVSS v4.0:

Pending analysis

Type:

CWE-352 Cross-Site Request Forgery (CSRF)

Publication date:

05/05/2024

Last modified:

04/11/2025

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.

Impact

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS v3.1 Severity and Metrics:

Base Score: 9.80 CRITICAL
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): None
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): High
Availability (A): High

Base Score 3.x

9.80

Severity 3.x

CRITICAL

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:mediawiki:mediawiki::::::::		1.39.6 (excluding)
cpe:2.3:a:mediawiki:mediawiki::::::::	1.40.0 (including)	1.40.2 (excluding)
cpe:2.3:a:mediawiki:mediawiki::::::::	1.41.0 (including)	1.41.1 (excluding)
cpe:2.3:o:fedoraproject:fedora:40:::::::*

To consult the complete list of CPE names with products and versions, see this page

CVE-2024-34502

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools