CVE-2025-4334

CRITICAL EPSS 78.9%
Published Jun 26, 20251y ago · Modified Jun 17, 20261w ago
9.8 CVSS 3.1
Critical
Find Similar
Published Jun 26, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

The Simple User Registration plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.3. This is due to insufficient restrictions on user meta values that can be supplied during registration. This makes it possible for unauthenticated attackers to register as an administrator.

CVSS Details

Base Score
9.8
Exploitability
3.9
Impact
5.9
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
78.9% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available

Weaknesses 1

CWE-269 Improper Privilege Management Authorization

Affected Products 1

VendorProductVersionRange
najeebmediasimple_user_registration* ≤6.3

References 3

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/wp-registration/trunk/inc/classes/class.register.php#L135
    Product
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/3327946/
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/c211e0c0-3086-43d2-853c-489f9c42b0ab?source=cve
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.