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    CVE-2020-35479

    MediaWiki before 1.35.1 allows XSS via BlockLogFormatter.php. Language::translateBlockExpiry itself does not escape in all code paths. For example, the return of Language::userTimeAndDate is is always unsafe for HTML in a month value. This affects MediaWiki 1.12.0 and later.

    Published:Dec 18, 2020
    Last Modified:Nov 21, 2024
    EPS:Dec 18, 2020
    EPSS Score:0.01035
    CVSS Score:6.1

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Mediawiki
    Product
    Mediawiki

    Exploits

    https://phabricator.wikimedia.org/T268938https://phabricator.wikimedia.org/T268938

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    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