CVE-2026-1321

The Membership Plugin – Restrict Content plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 3.2.20. This is due to the rcpsetupregistrationinit function accepting any membership level ID via the rcplevel POST parameter without validating that the leve...

CVE-2026-1321 Membership Plugin – Restrict Content <= 3.2.20 - Unauthenticated Privilege Escalation via 'rcp_level'

The Membership Plugin – Restrict Content plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 3.2.20. This is due to the rcpsetupregistrationinit function accepting any membership level ID via the rcplevel POST parameter without validating that the leve...