CVE-2020-36726 Explained : Impact and Mitigation
Learn about CVE-2020-36726, a critical vulnerability in the Ultimate Reviews plugin for WordPress allowing PHP Object Injection. Find out how to mitigate and prevent this security issue.
The Ultimate Reviews plugin for WordPress is vulnerable to PHP Object Injection, allowing unauthenticated attackers to inject a PHP Object.
Understanding CVE-2020-36726
The Ultimate Reviews plugin for WordPress has a vulnerability that enables PHP Object Injection.
What is CVE-2020-36726?
The CVE-2020-36726 vulnerability in the Ultimate Reviews plugin for WordPress allows unauthenticated attackers to inject a PHP Object through deserialization of untrusted input in specific functions.
The Impact of CVE-2020-36726
This vulnerability can be exploited by unauthenticated attackers to inject malicious PHP Objects, potentially leading to unauthorized access or code execution on affected systems.
Technical Details of CVE-2020-36726
The technical details of the CVE-2020-36726 vulnerability in the Ultimate Reviews plugin for WordPress.
Vulnerability Description
The vulnerability allows PHP Object Injection in versions up to and including 2.1.32 of the Ultimate Reviews plugin for WordPress via deserialization of untrusted input in vulnerable functions.
Affected Systems and Versions
- Vendor: rustaurius
- Product: Ultimate Reviews
- Versions Affected: up to and including 2.1.32
- Versions Less Than: 2.1.33
Exploitation Mechanism
The vulnerability arises from deserialization of untrusted input in specific functions of the Ultimate Reviews plugin, enabling attackers to inject PHP Objects.
Mitigation and Prevention
Steps to mitigate and prevent the CVE-2020-36726 vulnerability in the Ultimate Reviews plugin for WordPress.
Immediate Steps to Take
- Update the Ultimate Reviews plugin to version 2.1.33 or higher.
- Monitor for any unauthorized access or unusual activities on the affected systems.
Long-Term Security Practices
- Regularly update all plugins and themes in WordPress to prevent vulnerabilities.
- Implement strong authentication mechanisms to restrict unauthorized access to WordPress sites.
Patching and Updates
Ensure timely installation of security patches and updates for WordPress plugins to address known vulnerabilities.