QID 150434

Date Published: 2021-12-04

QID 150434: WordPress Private Post Information Disclosure Vulnerability (CVE-2021-39203)

WordPress is an open-source blogging tool and content management system based on PHP and MySQL. It has many features including a plug-in architecture and a template system.

In affected versions of WordPress CMS authenticated users who don't have permission to view private post types/data can bypass restrictions in the block editor under certain conditions.

Affected versions:
WordPress 5.8 beta 1

Successful exploitation would lead attackers to enumerate private post data, which can help the attacker carry out further attacks and obtain sensitive information.

  • CVSS V3 rated as High - 6.5 severity.
  • CVSS V2 rated as High - 6 severity.
    • Solution
    Customers are advised to upgrade to a fixed version WordPress 5.8 or later versions to remediate this vulnerability.
    Vendor References

    CVEs related to QID 150434

    CVE-2021-39203 |
    Software Advisories
    Advisory ID Software Component Link
    WordPress URL Logo wordpress.org/download/releases/
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