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 remote attackers to hijack web sessions via the session_id.
02 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.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 2.25% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 82.3% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2014-06-02 15:00Z12 YR AGO
- Last updated
- 2024-08-06 21:05Z2 YR AGO
- Reserved
- 2012-10-17
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- No CWE assigned
- Data version
- 5.1
- Document digest
- 2453da6779469c1bc2ab02c46e6d357b30bc3388374cdb03056571194d7cb4d6
05 Affected products
06 References
- exchange.xforce.ibmcloud.commediawiki-cve20125391-session-hijacking(83008)https://exchange.xforce.ibmcloud.com/vulnerabilities/83008
- lists.wikimedia.org[MediaWiki-announce] 20121130 MediaWiki security release: 1.20.1, 1.19.3 and 1.18.6http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-November/000122.html
- lists.fedoraproject.orgFEDORA-2013-3227http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100843.html
- lists.fedoraproject.orgFEDORA-2013-3265http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100845.html
- lists.fedoraproject.orgFEDORA-2013-2090http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098975.html
- bugzilla.wikimedia.orghttps://bugzilla.wikimedia.org/show_bug.cgi?id=40995
07 Fixed in
Debian 12
- mediawiki Fixed in 1:1.19.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- mediawiki Fixed in 1:1.19.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- mediawiki Fixed in 1:1.19.3-1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.