GHSA-rj9p-8jxj-2ch4

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    GHSA-rj9p-8jxj-2ch4

    Published: 24 May 2022Last Modified: 19 May 2024

    Summary: MediaWiki Cross-site Scripting (XSS) vulnerability

    Details: An issue was discovered in MediaWiki 1.34.x before 1.34.3. On Special:Contributions, the NS filter uses unescaped messages as keys in the option key for an HTMLForm specifier. This is vulnerable to a mild XSS if one of those messages is changed to include raw HTML.

    References: https://nvd.nist.gov/vuln/detail/CVE-2020-25812, https://gerrit.wikimedia.org/g/mediawiki/core/+/ad4a3ba45fb955aa8c0eb3c83809b16b40a498b9/includes/specials/SpecialContributions.php#592, https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2020-25812.yaml, https://github.com/wikimedia/mediawiki, https://lists.fedoraproject.org/archives/list/[email protected]/message/RTTPZ7XMDS66I442OLLHXBDNP2LCBJU6, https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048480.html, https://lists.wikimedia.org/pipermail/mediawiki-l/2020-September/048488.html, https://phabricator.wikimedia.org/T255918

    Affected packages

    Package

    Name: mediawiki/core

    Purl: pkg:composer/mediawiki/core

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 1.34.0
    Fixed -1.34.3

    Affected versions

    1.34.0
    1.34.1
    1.34.2

    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
    GHSA-rj9p-8jxj-2ch4 | CVE-DB