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    CVE-2024-23176

    An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS.

    Published:Sep 14, 2026
    Last Modified:Sep 17, 2026
    EPS:Sep 14, 2026
    EPSS Score:0.00171
    CVSS Score:5.4

    Affected Products

    Vendor
    Mediawiki
    Product
    Massmessage

    Exploits

    No exploit reference

    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