Vulnerability in MediaWiki
CVE-2022-34912
An issue was discovered in MediaWiki before 1.37.3 and 1.38.x before 1.38.1. The contributions-title, used on Special:Contributions, is used as page title without escaping. Hence, in a non-default configuration where a username contains HTML entities, it won't be escaped.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (63.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 63.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.000
Affected products
- MediaWiki — versions 1.38.0
- Fedoraproject Fedora — versions 36, 37
References
- phabricator.wikimedia.org/T308473 (Issue Tracking, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.debian.org/debian-lts-announce/2022/09/msg00027.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2022/dsa-5246 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202305-24 (vendor-advisory)
Frequently asked questions
- What is CVE-2022-34912?
- CVE-2022-34912 is a medium-severity vulnerability in MediaWiki. CVSS score: 6.1/10. Published 2022-07-02.
- How severe is CVE-2022-34912?
- Medium severity. CVSS v3 base score is 6.1 out of 10.