UBUNTU-CVE-2021-39203

    Dashboard / Vulnerabilities / UBUNTU-CVE-2021-39203

    UBUNTU-CVE-2021-39203

    Published: 9 Sept 2021Last Modified: 20 May 2026
    Upstream:
    CVE-2021-39203

    Summary:

    Details: WordPress is a free and open-source content management system written in PHP and paired with a MySQL or MariaDB database. In affected versions authenticated users who don't have permission to view private post types/data can bypass restrictions in the block editor under certain conditions. This affected WordPress 5.8 beta during the testing period. It's fixed in the final 5.8 release.

    References: https://ubuntu.com/security/CVE-2021-39203, https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-qxvw-qxm9-qvg6, https://hackerone.com/reports/1225282, https://www.cve.org/CVERecord?id=CVE-2021-39203

    Affected packages

    Package

    Name: wordpress

    Purl: pkg:deb/ubuntu/wordpress?arch=source&distro=xenial

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    4.3+dfsg-1

    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
    UBUNTU-CVE-2021-39203 | CVE-DB