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Vulnerabilities and Security Researches

User Registration – Custom Registration Form, Login Form, and User Profile WordPress Plugin, CVE-2026-11961

CVE, Research URL

CVE-2026-11961

Published on
Jul 17, 2026
Research Description
The User Registration & Membership WordPress plugin before 5.2.3 does not validate that the membership tier submitted during public registration is one of the tiers allowed by the registration form before assigning that tier's associated user role, allowing unauthenticated users to register into an arbitrary published membership tier and obtain its role — up to administrator when such a tier exists.
Affected versions
max 5.2.3.
Status
vulnerable