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CVE-2012-4382
MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to…
Medium4.9EPSS 1.2%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.
Timeline
ID reserved
By redhat
- 5 years later
· 5 years later
Published
- 7 years later
· 7 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium4.9 | CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 1.2% · top 32% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.9.
Weakness
Affected products
n/a
- affected n/a
References (5)
- [oss-security] 20120831 CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- [MediaWiki-announce] 20120831 MediaWiki security release: 1.19.2 and 1.18.5 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://phabricator.wikimedia.org/T41823 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20120831 Re: CVE Request -- MediaWiki 1.19.2 and 1.18.5 multiple security flaws (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=686330 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2012-4382)Record last updated .