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Vulnerabilities and Security Researches

User Registration – Custom Registration Form, Login Form, and User Profile WordPress Plugin, CVE-2026-1869

CVE, Research URL

CVE-2026-1869

Published on
Jun 26, 2026
Research 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 versions
max 5.2.1.
Status
vulnerable