CVE-2025-15403

CRITICAL EXPLOITED

RegistrationMagic <6.0.7.1 - Privilege Escalation

Title source: llm
STIX 2.1

Exploitation Summary

CVE-2025-15403 has been observed exploited in the wild (reported by VulnCheck KEV). EIP tracks 1 public exploit from researchers including Nxploited.

AI-analyzed exploit summary This repository contains a functional exploit for CVE-2025-15403, targeting a privilege escalation vulnerability in the RegistrationMagic WordPress plugin. The exploit leverages unauthenticated AJAX endpoints to escalate user privileges to administrator via the `rm_user_exists` and `rm_options_admin_menu` functions.

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.

Exploits (1)

nomisec WORKING POC
by Nxploited · poc
https://github.com/Nxploited/CVE-2025-15403

This repository contains a functional exploit for CVE-2025-15403, targeting a privilege escalation vulnerability in the RegistrationMagic WordPress plugin. The exploit leverages unauthenticated AJAX endpoints to escalate user privileges to administrator via the `rm_user_exists` and `rm_options_admin_menu` functions.

Classification
Working Poc 95%
Attack Type
Auth Bypass
Complexity
Moderate
Reliability
Reliable
Target: RegistrationMagic WordPress plugin
No auth needed
Prerequisites: WordPress site with RegistrationMagic plugin installed · AJAX endpoints accessible
devstral-2 · analyzed Apr 19, 2026 Full analysis →

Scores

CVSS v3 9.8
EPSS 0.0006
EPSS Percentile 20.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

VulnCheck KEV 2026-05-04
CWE
CWE-269
Status published
Products (1)
metagauss/RegistrationMagic – Custom Registration Forms, User Registration, Payment, and User Login < 6.0.7.1
Published Jan 17, 2026
Tracked Since Feb 18, 2026