RegistrationMagic <= 6.0.7.1 - Unauthenticated Privilege Escalation via admin_order
Strategic Overview
- Status
- Patched in 6.0.7.2
- Affected Plugin
- RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login
- Affected Version
<= 6.0.7.1- CVSS
- 9.8Critical
- Weakness type
- CWE-269 · Improper Privilege Management
- CVE
CVE-2025-15403
At a glance
CVE-2025-15403 is a critical-severity Improper Privilege Management vulnerability in the RegistrationMagic WordPress plugin, affecting versions <= 6.0.7.1. It carries a CVSS score of 9.8 (reachable over the network; low attack complexity; high confidentiality, integrity, availability impact). Exploitation requires no authentication. The issue is fixed in version 6.0.7.2; sites on affected versions should update now. Disclosed January 2026, reported by Osvaldo Noe Gonzalez Del Rio (Os).
Vulnerability Overview
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.
Technical Analysis
The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user. A successful exploit has high impact on confidentiality, integrity, availability — full site compromise territory.
CWE-269: Improper Privilege Management
RegistrationMagic <= 6.0.7.1 carries this weakness at add_menu, and reaching it takes no account at all. Improper privilege management means the code lets an account end up with capabilities its role should not have.
It converts a low-privileged account into an administrative one, which makes every other restriction on the site irrelevant. For RegistrationMagic the fix is 6.0.7.2: builds <= 6.0.7.1 are affected, anything from 6.0.7.2 onward is not.
Remediation
Update to version 6.0.7.2, or a newer patched version
How does WordSec protect against this?
This one needs no account at all, which puts it outside what login hardening can reach; WordSec's login security narrows the account-level paths around it, and the firewall is what inspects the request itself. None of that substitutes for the fix: RegistrationMagic 6.0.7.2 closes this, and updating the plugin is the step that ends it.
- Login Security
- Alerts
External References
Related records
Other vulnerabilities in RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login
- 9.9CVE-2020-9456: RegistrationMagic Privilege Escalation
CVE-2020-9456 - 9.9CVE-2020-9457: RegistrationMagic Settings Import
CVE-2020-9457 - 9.8CVE-2026-24373: RegistrationMagic Authentication Bypass
CVE-2026-24373 - 9.8CVE-2024-10508: RegistrationMagic Privilege Escalation
CVE-2024-10508 - 9.8CVE-2023-2499: RegistrationMagic <= 5.2.1.0 Authentication Bypass
CVE-2023-2499 - 9.8CVE-2021-4073: RegistrationMagic <= 5.0.1.7 Authentication Bypass
CVE-2021-4073 - 9.8CVE-2017-20208: RegistrationMagic - Custom… PHP Object Injection
CVE-2017-20208 - 8.8CVE-2026-12158: RegistrationMagic CSRF to Privilege Escalation
CVE-2026-12158
Vulnerability data © Defiant, Inc., provided under the Wordfence Intelligence T&C