Critical severity9.8NVD Advisory· Published Jun 26, 2025· Updated Apr 8, 2026

CVE-2025-4334

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 products

Najeebmedia/Simple User Registration
cpe:2.3:a:najeebmedia:simple_user_registration:*:*:*:*:*:wordpress:*:*
Range: <=6.3

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

www.wordfence.com/threat-intel/vulnerabilities/id/c211e0c0-3086-43d2-853c-489f9c42b0abnvdThird Party Advisory
plugins.trac.wordpress.org/browser/wp-registration/trunk/inc/classes/class.register.phpnvdProduct
plugins.trac.wordpress.org/changeset/3327946/nvd

News mentions

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cvss	0.637
epss	0.027
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000