VULNERABILITY INTELLIGENCE

CVE-2026-42486

CVSS score9.4 CRITICAL

EPSS probability0.21%

CISA KEVNot currently listed

Published2026-07-09

Last modified2026-10-25

Description

The User Registration & Membership – Custom Registration Form, Login Form, and User Profile plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 5.1.2 via the 'register_member' function, due to missing validation on the 'member_id' user controlled key. This makes it possible for unauthenticated attackers to delete arbitrary user accounts that newly registered on the site who has the 'urm_user_just_created' user meta set.