CVE-2026-11965: Unknown User Registration & Membership

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

The User Registration & Membership WordPress plugin before 5.2.0 does not enforce payment completion before activating a paid membership subscription, allowing unauthenticated users (after self-registering an account through the open registration flow) to obtain an active subscription on any paid plan without paying and access the gated content.

Affected products

• Unknown User Registration & Membership: before 5.2.0 (fixed in 5.2.0)

Published 2026-07-02. Last modified 2026-07-02.