CVE-2024-34500

6.1 MEDIUM
Published: May 05, 2024 Modified: November 04, 2025
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/UnlinkedWikibase/+/1002175
Source: cve@mitre.org
Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
Source: cve@mitre.org
Third Party Advisory
https://phabricator.wikimedia.org/T357203
Source: cve@mitre.org
Issue Tracking Vendor Advisory
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/UnlinkedWikibase/+/1002175
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
Source: af854a3a-2127-422b-91ae-364da2661108
https://phabricator.wikimedia.org/T357203
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Vendor Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
6.1 / 10.0
EPSS (Exploit Probability)
0.3%
53th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-79

Affected Vendors

mediawiki fedoraproject

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