Vulnerability · Published Jul 2, 2022 · Assigned by mitre
CVE-2022-34912
Medium 6.1
In plain English
A medium-severity security flaw in the mediawiki package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 66% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.1Medium
Exploit odds (30 days)1.1%top 34.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | mediawiki | 1:1.35.7-1 | DEBIAN-CVE-2022-34912 |
| Debian:13 | mediawiki | 1:1.35.7-1 | DEBIAN-CVE-2022-34912 |
| Debian:14 | mediawiki | 1:1.35.7-1 | DEBIAN-CVE-2022-34912 |
| Ubuntu:25.10 | mediawiki | no fix listed | UBUNTU-CVE-2022-34912 |
| Ubuntu:26.04:LTS | mediawiki | no fix listed | UBUNTU-CVE-2022-34912 |
| Ubuntu:26.10 | mediawiki | no fix listed | UBUNTU-CVE-2022-34912 |
Affected products (as reported)
References
- https://phabricator.wikimedia.org/T308473
- FEDORA-2022-f83aec6d57 vendor-advisory
- FEDORA-2022-bca2c95559 vendor-advisory
- [debian-lts-announce] 20220922 [SECURITY] [DLA 3117-1] mediawiki security update mailing-list
- DSA-5246 vendor-advisory
- GLSA-202305-24 vendor-advisory