CVE-2025-4334
CRITICAL
9.8
CVSS 3.1
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.
Affected WordPress components
-
MemberHero – Simple User Registration & Login Plugin · wp-registrationUp to and including 6.3View on WordPress.org
A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.
Affected products and versions
- nmedia Simple User Registration — Up to and including 6.3
- najeebmedia memberhero — Up to and including 6.3
References
- 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/ Product
- www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/c211e0c0-3086-43d2-853c-489f9c42b0ab?source=cve Third Party Advisory
- nvd.nist.gov Official NVD record