CVE-2023-45371 json
An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40…
published 2023-10-09 3 y ago modified 2026-06-17 4 mo ago also BIT-mediawiki-2023-45371 , EUVD-2023-49663
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 49%
- public exploits
- 0
- none known
Summary
An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is no rate limit for merging items.
Patch / fix
- bitnami mediawiki 1.35.12, 1.39.5, 1.40.1
- mediawiki mediawiki 1.35.12, 1.39.5
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.61% chance of exploitation in the next 30 days, higher than 49% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| bitnami | mediawiki | <1.35.12 >=1.36.0, <1.39.5 >=1.40.0, <1.40.1 |
1.35.12 1.39.5 1.40.1 |
Classification
- Weakness
-
- CWE-770 Allocation of Resources Without Limits or Throttling
References
-
gerrit.wikimedia.org
/r/c/mediawiki/extensions/Wikibase/+/961264
issue-tracking, vendor-advisory, web
-
phabricator.wikimedia.org
/T345064
issue-tracking, permissions-required, web
-
nvd.nist.gov
/vuln/detail/CVE-2023-45371
web
Sources
- CVE List CVE-2023-45371
- NVD CVE-2023-45371
- OSV BIT-mediawiki-2023-45371
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.