Groups – Memberships and Access Control vulnerabilities

1 known vulnerability in Groups – Memberships and Access Control from Itthinx. 1 is rated high or critical. Each entry lists the affected versions and the release that fixes it, where the vendor has published one.

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• 8.8 High severity

  Groups – Memberships and Access Control: Improper Privilege Management

  CVE-2026-77203Sep 26, 2026Itthinx

  The Groups – Memberships and Access Control plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 4.6.0. This is due to the groups_join() function deriving group-join eligibility from the ambient post's author capabil