CVE-2012-4421

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    CVE-2012-4421

    Published: 14 Sept 2012Last Modified: 10 Apr 2026

    Summary:

    Details: The create_post function in wp-includes/class-wp-atom-server.php in WordPress before 3.4.2 does not perform a capability check, which allows remote authenticated users to bypass intended access restrictions and publish new posts by leveraging the Contributor role and using the Atom Publishing Protocol (aka AtomPub) feature.

    Affected packages

    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