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The User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder plugin for WordPress is vulnerable to unauthorized modification of data due to missing validation checks in the confirm_payment() function in all versions up to, and including, 5.2.0. This makes it possible for unauthenticated attackers to bypass payment processing and activate paid memberships.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| User Registration Plugin | — | Update user-registration plugin to version 5.2.1, or a newer patched version | Jun 26, 2026 | Jun 25, 2026 |
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