Description
An issue was discovered in the UnlinkedWikibase extension in MediaWiki before 1.39.6, 1.40.x before 1.40.2, and 1.41.x before 1.41.1. XSS can occur through an interface message. Error messages (in the $err var) are not escaped before being passed to Html::rawElement() in the getError() function in the Hooks class.
Published: 2024-05-05
Score: 6.1 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

No analysis available yet.

Remediation

No remediation available yet.

Tracking

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Advisories
Source ID Title
Github GHSA Github GHSA GHSA-wcx3-63mm-h8x6 MediaWiki UnlinkedWikibase Cross-site Scripting vulnerability
History

Tue, 04 Nov 2025 18:30:00 +0000


Wed, 11 Jun 2025 15:00:00 +0000

Type Values Removed Values Added
First Time appeared Fedoraproject
Fedoraproject fedora
Mediawiki
Mediawiki mediawiki
CPEs cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:40:*:*:*:*:*:*:*
Vendors & Products Fedoraproject
Fedoraproject fedora
Mediawiki
Mediawiki mediawiki

Wed, 04 Dec 2024 21:15:00 +0000

Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}


Subscriptions

Fedoraproject Fedora
Mediawiki Mediawiki
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2025-11-04T17:20:45.386Z

Reserved: 2024-05-05T00:00:00.000Z

Link: CVE-2024-34500

cve-icon Vulnrichment

Updated: 2025-11-04T17:20:45.386Z

cve-icon NVD

Status : Modified

Published: 2024-05-05T19:15:07.123

Modified: 2025-11-04T18:16:22.243

Link: CVE-2024-34500

cve-icon Redhat

Severity : Moderate

Publid Date: 2024-05-05T00:00:00Z

Links: CVE-2024-34500 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses