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OpenAdvisories
Medium · 6.5 CVE-2026-1869 EUVD-2026-39639GHSA-97gw-4hgp-77mp

User Registration & Membership <= 5.2.0 - Missing Authorization to Unauthenticated Payment Bypass

Published Jun 26, 2026 · Updated Jun 26, 2026 · Assigned by Wordfence

Description

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.

Affected products

VendorProductAffectedFixed
wpeverest User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder ≤ 5.2.0 —

References