CVE-2023-45373 json
An issue was discovered in the ProofreadPage extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before…
published 2023-10-09 3 y ago modified 2026-06-17 4 mo ago also BIT-mediawiki-2023-45373 , EUVD-2023-49665
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 30%
- public exploits
- 0
- none known
Summary
An issue was discovered in the ProofreadPage 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. XSS can occur via formatNumNoSeparators.
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
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.37% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| OSV | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
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-79 Improper Neutralization of Input During Web Page Generation
References
-
phabricator.wikimedia.org
/T345693
issue-tracking, vendor-advisory, web
-
gerrit.wikimedia.org
/r/c/mediawiki/extensions/ProofreadPage/+/961262
issue-tracking, vendor-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2023-45373
web
Sources
- CVE List CVE-2023-45373
- NVD CVE-2023-45373
- OSV BIT-mediawiki-2023-45373
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.