CVE-2026-2356

MEDIUM EPSS 8.5%
Published Feb 26, 20264mo ago · Modified Jun 17, 20261w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Feb 26, 2026 4mo ago
Last Modified Jun 17, 2026 1w ago

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.

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
8.5% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-284

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.