Back
CVE-2012-5391
Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows…
Medium6.8EPSS 2.3%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1.19.3, and 1.20.x before 1.20.1 allows remote attackers to hijack web sessions via the session_id.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.3% · top 17% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Weakness
- n/a
Affected products
n/a
- affected n/a
References (6)
- mediawiki-cve20125391-session-hijacking(83008) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- [MediaWiki-announce] 20121130 MediaWiki security release: 1.20.1, 1.19.3 and 1.18.6 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- FEDORA-2013-3227 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2013-3265 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- FEDORA-2013-2090 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://bugzilla.wikimedia.org/show_bug.cgi?id=40995 (opens in a new tab)x_refsource_CONFIRMx_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)
Record last updated .