CVE-2020-9456 Explained : Impact and Mitigation
Learn about CVE-2020-9456, a vulnerability in RegistrationMagic plugin for WordPress allowing users to elevate privileges. Find mitigation steps and update information.
In the RegistrationMagic plugin through 4.6.0.3 for WordPress, a vulnerability allows remote authenticated users to elevate their privileges to administrator.
Understanding CVE-2020-9456
What is CVE-2020-9456?
The CVE-2020-9456 vulnerability in the RegistrationMagic plugin for WordPress enables authenticated users with minimal privileges to escalate their access to administrator level.
The Impact of CVE-2020-9456
This vulnerability poses a significant security risk as it allows unauthorized users to gain full administrative control over the WordPress site, potentially leading to data breaches and other malicious activities.
Technical Details of CVE-2020-9456
Vulnerability Description
The flaw resides in the user controller of the RegistrationMagic plugin, specifically in the class_rm_user_controller.php rm_user_edit function, which lacks proper access controls, enabling privilege escalation.
Affected Systems and Versions
- Product: RegistrationMagic plugin
- Versions affected: Through 4.6.0.3
Exploitation Mechanism
The vulnerability can be exploited by authenticated users with limited privileges leveraging the user controller to modify their permissions and gain unauthorized administrative access.
Mitigation and Prevention
Immediate Steps to Take
- Disable or remove the RegistrationMagic plugin if not essential for site functionality
- Implement strict user access controls and permissions
- Regularly monitor user activities and privilege changes
Long-Term Security Practices
- Keep plugins and software up to date to prevent known vulnerabilities
- Conduct regular security audits and penetration testing
Patching and Updates
- Update the RegistrationMagic plugin to the latest version that includes a fix for CVE-2020-9456