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    CVE-2026-0669

    Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Wikimedia Foundation MediaWiki - CSS extension allows Path Traversal.This issue affects MediaWiki - CSS extension: 1.44, 1.43, 1.39.

    Published:Jan 7, 2026
    Last Modified:Apr 18, 2026
    EPS:Jan 7, 2026
    EPSS Score:0.00081
    CVSS Score:7.5

    Affected Products

    Vendor
    Css Project
    Product
    Css
    Vendor
    Mediawiki
    Product
    Mediawiki
    Vendor
    Wikimedia
    Product
    Mediawiki-css Extension

    Exploits

    https://phabricator.wikimedia.org/T401526

    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