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    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.

    Published:Jun 2, 2014
    Last Modified:Apr 12, 2025
    EPS:Jun 2, 2014
    EPSS Score:0.00865
    CVSS Score:6.8

    Affected Products

    Vendor
    Mediawiki
    Product
    Mediawiki

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-34095 (CVSS 0) — Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files include…
    CVE-2026-34094 (CVSS 2) — Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files include…
    CVE-2026-34093 (CVSS 1.1) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. …
    CVE-2026-34092 (CVSS 2.1) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. …
    CVE-2026-34091 (CVSS 5.5) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. T…
    CVE-2026-34088 (CVSS 1.3) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. T…
    CVE-2026-34087 (CVSS 5.1) — Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth. Th…
    CVE-2025-67481 (CVSS 0) — Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in W…
    CVE-2025-67483 (CVSS 0) — Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in W…
    CVE-2025-67484 (CVSS 0) — Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/…

    References

    http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098975.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100843.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100845.html
    http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-November/000122.html
    https://bugzilla.wikimedia.org/show_bug.cgi?id=40995
    https://exchange.xforce.ibmcloud.com/vulnerabilities/83008
    http://lists.fedoraproject.org/pipermail/package-announce/2013-February/098975.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100843.html
    http://lists.fedoraproject.org/pipermail/package-announce/2013-March/100845.html
    http://lists.wikimedia.org/pipermail/mediawiki-announce/2012-November/000122.html
    https://bugzilla.wikimedia.org/show_bug.cgi?id=40995
    https://exchange.xforce.ibmcloud.com/vulnerabilities/83008

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High