Privilege escalation in Metagauss Registrationmagic – Custom Registration Forms, User Registration, Payment, And Login
CVE-2025-15403
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…
Vulnerability class: Privilege Escalation
EPSS: 0.001 (20.4th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/68dd9f6f-ccee-4a27-bd21-2fb32…
- plugins.trac.wordpress.org/browser/custom-registration-form-builder-with-submis…
- plugins.trac.wordpress.org/browser/custom-registration-form-builder-with-submis…
- plugins.trac.wordpress.org/changeset/3440797/custom-registration-form-builder-w…
Frequently asked questions
- What is CVE-2025-15403?
- CVE-2025-15403 is a critical-severity vulnerability in Metagauss Registrationmagic – Custom Registration Forms, User Registration, Payment, And Login, classified under Improper Privilege Management. CVSS score: 9.8/10. Published 2026-01-17.
- How severe is CVE-2025-15403?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-15403 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.