CVE-2023-45364
5.3
MEDIUM
CVSS 3.1
EPSS 0.12%
Description
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.
How to fix CVE-2023-45364
To remediate CVE-2023-45364, upgrade the affected package to a fixed version below.
- —upgrade to 1.39.5 or later
- —upgrade to 1:1.39.5-1~deb12u1 or later
Is CVE-2023-45364 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 1.36.0, < 1.39.5, >= 1.40.0, < 1.40.1
- from 0, < 1:1.39.5-1~deb12u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |