CVE-2025-15403 RegistrationMagic <= 6.0.7.1 - Unauthenticated Privilege Escalation via admin_order
Unauthenticated attackers can manipulate admin menu settings to grant administrative capabilities to subscriber roles in RegistrationMagic.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-15403?
CVE-2025-15403 is a critical vulnerability in metagauss RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login, published on 17 Jan 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The RegistrationMagic plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 6.0.7.1. This is due to the 'add_menu' function is accessible via the 'rm_user_exists' AJAX action and allows arbitrary updates to the 'admin_order' setting. This makes it possible for unauthenticated attackers to injecting an empty slug into the order parameter, and manipulate the plugin's menu generation logic, and when the admin menu is subsequently built, the plugin adds 'manage_options' capability for the target role. Note: The vulnerability can only be exploited unauthenticated, but further privilege escalation requires at least a subscriber user.
Weakness: CWE-269
Which versions are affected by CVE-2025-15403?
How do I fix CVE-2025-15403?
No fix has been published for CVE-2025-15403 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-15403 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-15403 exists.
Public exploit code: 1 Nuclei template and 1 proofs of concept on GitHub.
Sources
Also known as GHSA-4hvq-pg8r-grr5.