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.
| Software Type | Plugin |
|---|---|
| Software Slug |
user-registration
View on wordpress.org
|
| CVE | CVE-2026-2356 |
| Patched Versions |
5.1.3
|
| Affected Versions |
*-5.1.2
|
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