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.

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.

EPSS: 0.004 (34.6th percentile) — read the EPSS interpretation.

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.

Affected products

Mediawiki — versions 1.40.0
Debian Debian_linux — versions 11.0, 12.0
N/a — versions n/a

Weakness classification (CWE)

CWE-732 — Incorrect Permission Assignment for Critical Resource

References

cve@mitre.org (Issue Tracking, Vendor Advisory)
cve@mitre.org (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.