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CVE-2021-39203

MEDIUM 6.5 CVSS 3.1
Published
September 9, 2021
Last modified
June 17, 2026
NVD status
Modified
Reported by
security-advisories@github.com
Weakness
CWE-200
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Description

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.

Affected WordPress components

  • WordPress core
    Confirmed match
    Version 5.8

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • WordPress wordpress-develop — Version 5.8 beta 1
  • wordpress wordpress — Version 5.8

References

  • github.com https://github.com/WordPress/wordpress-develop/security/advisories/GHSA-qxvw-qxm9-qvg6 Third Party Advisory
  • hackerone.com https://hackerone.com/reports/1225282 Permissions Required
  • nvd.nist.gov Official NVD record