XSS in MediaWiki
CVE-2024-34500
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.005 (38.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
Affected products
- Mediawiki
- Fedoraproject Fedora — versions 40
- N/a — versions n/a
Weakness classification (CWE)
References
- cve@mitre.org (Issue Tracking, Vendor Advisory)
- cve@mitre.org (Patch, Vendor Advisory)
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-34500?
- CVE-2024-34500 is a medium-severity vulnerability in MediaWiki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2024-05-05.
- How severe is CVE-2024-34500?
- Medium severity. CVSS v3 base score is 6.1 out of 10.