Information disclosure in MediaWiki
CVE-2022-39193
An issue was discovered in the CheckUser extension for MediaWiki through 1.39.x. Various components of this extension can expose information on the performer of edits and logged actions. This information should not allow public viewing: it is supposed to be viewable only by users with suppression rights.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.006 (46.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- MediaWiki — versions 1.39.0, 1.39.1
Weakness classification (CWE)
References
- phabricator.wikimedia.org/T311337 (Exploit, Patch, Third Party Advisory, Issue Tracking)
Frequently asked questions
- What is CVE-2022-39193?
- CVE-2022-39193 is a medium-severity vulnerability in MediaWiki, classified under Information Disclosure. CVSS score: 5.3/10. Published 2023-01-20.
- How severe is CVE-2022-39193?
- Medium severity. CVSS v3 base score is 5.3 out of 10.