CVE-2021-42046

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    CVE-2021-42046

    Published: 29 Sept 2022Last Modified: 9 Jul 2026

    Summary:

    Details: An issue was discovered in the GlobalWatchlist extension in MediaWiki through 1.36.2. The rev-deleted-user and ntimes messages were not properly escaped and allowed for users to inject HTML and JavaScript.

    References: https://phabricator.wikimedia.org/T286385, https://gerrit.wikimedia.org/r/q/Ib7f9b009730fe0df283cec1169f84c7a83a58b1d, https://gerrit.wikimedia.org/r/q/Id2204fb5afe591d63764466de35ac0aaa5999983

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.36.2
    1.36.1
    1.36.0
    1.36.0-rc.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-2021-42046 | CVE-DB