Vulnerability in The Wikimedia Foundation MediaWiki - Approvedrevs Extension
CVE-2026-22712
Improper Encoding or Escaping of Output due to magic word replacement in ParserAfterTidy vulnerability in The Wikimedia Foundation Mediawiki - ApprovedRevs Extension allows Input Data Manipulation.This issue affects Mediawiki - ApprovedRevs Extension: 1.45, 1.44, 1.43, 1.39.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (13.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 13.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- The Wikimedia Foundation MediaWiki - Approvedrevs Extension — versions 1.45, 1.44, 1.43
- Wikiworks Approved Revs — versions 1.39, 1.43, 1.44
Weakness classification (CWE)
References
- c4f26cc8-17ff-4c99-b5e2-38fc1793eacc (Exploit, Issue Tracking)
- c4f26cc8-17ff-4c99-b5e2-38fc1793eacc (Patch)
Frequently asked questions
- What is CVE-2026-22712?
- CVE-2026-22712 is a medium-severity vulnerability in The Wikimedia Foundation MediaWiki - Approvedrevs Extension, classified under Improper Encoding or Escaping of Output. CVSS score: 4.3/10. Published 2026-01-09.
- How severe is CVE-2026-22712?
- Medium severity. CVSS v3 base score is 4.3 out of 10.