CVE-2025-4334: Simple User Registration <= 6.3 - Unauthenticated Privilege Escalation
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 Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-4334?
CVE-2025-4334 has a high severity due to its potential for privilege escalation.
How do I fix CVE-2025-4334?
To fix CVE-2025-4334, update the Simple User Registration plugin to version 6.4 or later.
Who is affected by CVE-2025-4334?
All versions of the Simple User Registration plugin for WordPress up to and including version 6.3 are affected by CVE-2025-4334.
What type of vulnerability is CVE-2025-4334?
CVE-2025-4334 is classified as a privilege escalation vulnerability.
Can CVE-2025-4334 be exploited remotely?
Yes, CVE-2025-4334 can be exploited remotely by unauthenticated attackers.