CVE-2023-45364

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    CVE-2023-45364

    Published: 9 Oct 2023Last Modified: 12 Aug 2026

    Summary:

    Details: An issue was discovered in includes/page/Article.php in MediaWiki 1.36.x through 1.39.x before 1.39.5 and 1.40.x before 1.40.1. Deleted revision existence is leaked due to incorrect permissions being checked. This reveals that a given revision ID belonged to the given page title, and its timestamp, both of which are not supposed to be public information.

    References: https://phabricator.wikimedia.org/T264765, https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/45xxx/CVE-2023-45364.json, https://nvd.nist.gov/vuln/detail/CVE-2023-45364, https://www.debian.org/security/2023/dsa-5520

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- bc542ec6d8573dfb906b468901799e0017875f1e
    Fixed -1e3757f7f2e2a06ccd5c4f962753b8c9abe1fed6

    Affected versions

    1.40.0-NA
    1.40.0

    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
    CVE-2023-45364 | CVE-DB