User Registration & Membership <= 5.1.2 - Insecure Direct Object Reference to Unauthenticated Limited User Deletion
| CVE | CVE-2026-2356 |
|---|---|
| CVSS | 5.3 (Medium) |
| Publicly Published | February 25, 2026 |
| Last Updated | February 26, 2026 |
| Researcher |
h0xilo
|
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.
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Vulnerability Details for User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder
| Software Type | Plugin |
|---|---|
| Software Slug | user-registration (view on wordpress.org) |
| Patched? | Yes |
| Remediation | Update to version 5.1.3, or a newer patched version |
| Affected Version |
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| Patched Version |
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Recent vulnerabilities in User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder
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