CVE-2026-2356
User Registration & Membership <= 5.1.2 - Insecure Direct Object Reference to Unauthenticated Limited User Deletion
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.
| CWE | CWE-284 |
| Vendor | wpeverest |
| Product | user registration & membership – free & paid memberships, subscriptions, content restriction, user profile, custom user registration & login builder |
| Published | Feb 26, 2026 |
| Last Updated | Apr 8, 2026 |
Get instant alerts for wpeverest user registration & membership – free & paid memberships, subscriptions, content restriction, user profile, custom user registration & login builder
Be the first to know when new medium vulnerabilities affecting wpeverest user registration & membership – free & paid memberships, subscriptions, content restriction, user profile, custom user registration & login builder are published — delivered to Slack, Telegram or Discord.
CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N