Vulnerability in MediaWiki
CVE-2023-45364
An issue was discovered in includes/page/Article.php in MediaWiki 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision existence is leaked due to incorrect permissions being checked. This reveals that a given revision ID belonged to the given page title, and its timestamp, both of which are not supposed to be public information.
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: 0.004 (34.1th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 34.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- MediaWiki — versions 1.40.0
- Debian Linux — versions 11.0, 12.0
Weakness classification (CWE)
References
- phabricator.wikimedia.org/T264765 (Issue Tracking, Vendor Advisory)
- www.debian.org/security/2023/dsa-5520 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2023-45364?
- CVE-2023-45364 is a medium-severity vulnerability in MediaWiki, classified under Incorrect Permission Assignment for Critical Resource. CVSS score: 5.3/10. Published 2023-10-09.
- How severe is CVE-2023-45364?
- Medium severity. CVSS v3 base score is 5.3 out of 10.