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.

INFO

Published Date :

2026-02-26T02:23:55.847Z

Last Modified :

2026-04-08T17:13:17.648Z

Source :

Wordfence
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2356 vulnerability.

Vendors Products
Wordpress
  • Wordpress
Wpeverest
  • User Registration & Membership – Free & Paid Memberships, Subscriptions, Content Restriction, User Profile, Custom User Registration & Login Builder
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2356.

URL Resource
https://plugins.trac.wordpress.org/browser/user-registration/tags/5.1.1/modules/membership/includes/AJAX.php#L142 cve-icon cve-icon
https://www.wordfence.com/threat-intel/vulnerabilities/id/a5a1ccb2-4f78-4855-a01d-b15f73407822?source=cve cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact