CVE-2012-5391

medium
Published 2014-06-02 · Modified 2026-05-06
CVSS v3
CVSS v2
6.8
VIR risk
6.8

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2012-5391

vendor Authored 2026-05-27

Vendor advisory: cve@mitre.org — http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-November/000122.html

OS impact

OSVersionStatusFixed in
debian debianbookwormfixed1:1.19.3-1
debian debianbullseyefixed1:1.19.3-1
debian debianforkyfixed1:1.19.3-1
debian debiansidfixed1:1.19.3-1
debian debiantrixiefixed1:1.19.3-1

Application impact

VendorProductVersionsFixed
mediawikimediawiki{"endIncluding":"1.18.5"}
mediawikimediawiki1.18
mediawikimediawiki1.18.0
mediawikimediawiki1.18.1
mediawikimediawiki1.18.2
mediawikimediawiki1.18.3
mediawikimediawiki1.18.4
mediawikimediawiki1.19
mediawikimediawiki1.19.1
mediawikimediawiki1.19.2
mediawikimediawiki1.20

References

Verify integrity in audit chain (admin only). AS-IS.