CVE-2024-34502

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. 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 (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.

9.8 /10

CVSS v3 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359 Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ Third Party Advisory Mailing List
https://phabricator.wikimedia.org/T357101 Issue Tracking Vendor Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359 Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ Third Party Advisory Mailing List
https://phabricator.wikimedia.org/T357101 Issue Tracking Vendor Advisory
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
History

17 Jun 2025, 14:53

Type Values Removed Values Added
References () https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359 - () https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359 - Patch, Vendor Advisory
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ - Third Party Advisory, Mailing List
References () https://phabricator.wikimedia.org/T357101 - () https://phabricator.wikimedia.org/T357101 - Issue Tracking, Vendor Advisory
First Time Mediawiki
Mediawiki mediawiki
Fedoraproject
Fedoraproject fedora
CPE cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*

21 Nov 2024, 09:18

Type Values Removed Values Added
References () https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359 - () https://gerrit.wikimedia.org/r/c/mediawiki/extensions/WikibaseLexeme/+/1013359 -
References () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ - () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ -
References () https://phabricator.wikimedia.org/T357101 - () https://phabricator.wikimedia.org/T357101 -

21 Aug 2024, 20:35

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 9.8
CWE CWE-352

10 Jun 2024, 17:16

Type Values Removed Values Added
Summary
  • (es) Se descubrió un problema en WikibaseLexeme en MediaWiki antes de 1.39.6, 1.40.x antes de 1.40.2 y 1.41.x antes de 1.41.1. Cargando especial: MergeLexemes (intentará) realizar una edición que combine el ID de origen con el ID de destino, incluso si la solicitud no fue una solicitud POST, e incluso si no contiene un token de edición.
References
  • () https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ -

05 May 2024, 19:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-05-05 19:15

Updated : 2025-06-17 14:53

NVD link : CVE-2024-34502

Mitre link : CVE-2024-34502

CVE.ORG link : CVE-2024-34502

JSON object : View

Products Affected

fedoraproject

  • fedora

mediawiki

  • mediawiki
CWE
CWE-352

Cross-Site Request Forgery (CSRF)