Privilege Escalation in Melapress Role Editor

Executive Summary

CVE-2026-109900 is a privilege escalation vulnerability in the Melapress Role Editor WordPress plugin versions 1.3.0 and below. It allows a low-privilege user to gain administrative access and full control of a website by exploiting incorrect privilege assignment. Exploitation requires a privileged user to perform an action like clicking a malicious link or submitting a form.

Useful 0 Not Useful 0

Detection Guidance

Check the installed version of the Melapress Role Editor plugin. If it is version 1.3.0 or below, the system is vulnerable. Use WordPress admin panel or run a command like 'wp plugin list' in the WordPress directory to verify the version.

Useful 0 Not Useful 0

Impact Analysis

This vulnerability can lead to complete site takeover by unauthorized users. Attackers could gain full administrative control, modify site content, steal data, or install malicious software. The high CVSS score of 9.6 indicates a high risk of exploitation in mass campaigns targeting thousands of websites.

Useful 0 Not Useful 0

Compliance Impact

This vulnerability allows low-privilege users to escalate privileges to administrative access, potentially granting unauthorized control over sensitive data. This could lead to violations of GDPR (data protection) and HIPAA (health data security) due to unauthorized access or disclosure of protected information.

Useful 0 Not Useful 0

Mitigation Strategies

Update the Melapress Role Editor plugin to version 1.4.0 or later immediately. If updating is not possible, apply the mitigation rule provided by Patchstack to block attacks until the update is completed.

Useful 0 Not Useful 0