CVE-2012-5391
Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2012-5391- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2012-5391- Updated
- 2026-11-02
EUVDEUVD-2012-5310 No score
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.
- Record
EUVD-2012-5310- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3wxc-gqjr-6mh6 No score
Session fixation vulnerability in Special:UserLogin in MediaWiki before 1.18.6, 1.19.x before 1...
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.
- Record
GHSA-3wxc-gqjr-6mh6- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2012-5391- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-5391 No score
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.
- Record
DEBIAN-CVE-2012-5391- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-5391 is a medium vulnerability (CVSS 6.8) in Mediawiki, published June 2, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.25%, the 83rd percentile. Fixed in mediawiki 1:1.19.3-1.
References
exchange.xforce.ibmcloud.com/vulnerabilities/83008
lists.wikimedia.org/pipermail/mediawiki-announce/2012-November/000122.html
lists.fedoraproject.org/pipermail/package-announce/2013-March/100843.html
bugzilla.wikimedia.org/show_bug.cgi?id=40995
nvd.nist.gov/vuln/detail/CVE-2012-5391
github.com/advisories/GHSA-3wxc-gqjr-6mh6
security-tracker.debian.org/tracker/CVE-2012-5391