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Vulnerabilities and Security Researches

User Registration – Custom Registration Form, Login Form, and User Profile WordPress Plugin, CVE-2026-11963

CVE, Research URL

CVE-2026-11963

Published on
Jul 13, 2026
Research Description
The User Registration & Membership WordPress plugin before 5.2.2 does not perform an authorization check on a membership-upgrade action and derives the user to modify from a caller-supplied identifier instead of the current user, allowing any authenticated user such as a subscriber to change another user's WordPress role and membership tier.
Affected versions
max 5.2.2.
Status
vulnerable