CVE-2023-45364 json
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.
published 2023-10-09 3 y ago modified 2026-06-17 4 mo ago also BIT-mediawiki-2023-45364 , EUVD-2023-49656
- cvss
- 5.3
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 43%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- bitnami mediawiki 1.39.5, 1.40.1
- mediawiki mediawiki 1.39.5
- mediawiki Debian 12 1:1.39.5-1~deb12u1
- mediawiki Debian 14, Debian 13 1:1.39.5-1
debian advisories DEBIAN-CVE-2023-45364
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.50% chance of exploitation in the next 30 days, higher than 43% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| OSV | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | mediawiki | >=1.36.0, <1.39.5 >=1.40.0, <1.40.1 |
1.39.5 1.40.1 |
Classification
- Weakness
-
- CWE-732 Incorrect Permission Assignment for Critical Resource
References
-
debian.org
/security/2023/dsa-5520
vendor-advisory, third-party-advisory, web
-
phabricator.wikimedia.org
/T264765
issue-tracking, vendor-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2023-45364
web
Sources
- CVE List CVE-2023-45364
- NVD CVE-2023-45364
- OSV BIT-mediawiki-2023-45364
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.