CVE-2025-15403

CVSS 9.8 CriticalEPSS 0.2%
  • CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
  • Published: 2026-01-17T03:16:03.693

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.

Related CVE by CWE

No related CWE found.

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How to fix CVE-2025-15403

CVE-2025-15403 is a critical severity vulnerability affecting the affected product.

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 […]

Affected Versions:
❌ Vulnerable: ≤ 6.0.7
✅ Safe: ≥ 6.0.8

Exploit Difficulty: EASY
⏱️ Time to exploit: < 1 hour
🛠️ Required skills: Basic web security knowledge
💰 Public exploits: Likely available

How to Fix:

1 Identify affected systems

- Check if you're running the affected product
- Verify version (vulnerable: ≤ 6.0.7)

2 Immediate actions

- Update to ≥ 6.0.8 or later
- If patching is not immediately possible: restrict network exposure, apply least-privilege access

3 Verification

- Test the fix in a staging environment first
- Review logs for signs of exploitation
- Monitor for IOCs (Indicators of Compromise)

4 Long-term prevention

- Enable automatic security updates
- Set up vulnerability monitoring
- Review and harden security configurations

Exploit Difficulty Assessment

EASY
⏱️ Time to Exploit: < 1 hour
🛠️ Skills Required: Basic web security knowledge
💰 Public Exploits: Likely available

Affected Versions

❌ Vulnerable: ≤ 6.0.7
✅ Safe: ≥ 6.0.8

Vulnerability Timeline

Jan 17, 2026
Vulnerability Published

CVE details first published to NVD database

Jan 17, 2026
Imported to Database

Added to this CVE tracking system

Detection Rules & IOCs

No specific detection rules generated for this vulnerability type.

No vendor/product data available.