CVE-2020-11514 : Exploit Details and Defense Strategies

The Rank Math plugin through 1.0.40.2 for WordPress allows unauthenticated remote attackers to update arbitrary WordPress metadata, including the ability to escalate or revoke administrative privileges for existing users via the unsecured rankmath/v1/updateMeta REST API endpoint.

Understanding CVE-2020-11514

This CVE involves a vulnerability in the Rank Math plugin for WordPress that can be exploited by remote attackers.

What is CVE-2020-11514?

The Rank Math plugin for WordPress, up to version 1.0.40.2, is susceptible to an attack that enables unauthorized remote users to manipulate WordPress metadata, potentially leading to privilege escalation or revocation for authorized users.

The Impact of CVE-2020-11514

This vulnerability allows attackers to perform unauthorized actions on a WordPress site, compromising its integrity and potentially causing significant damage to the affected system.

Technical Details of CVE-2020-11514

The following technical aspects are associated with CVE-2020-11514:

Vulnerability Description

The vulnerability in the Rank Math plugin allows unauthenticated remote attackers to modify WordPress metadata, potentially leading to the escalation or revocation of administrative privileges for existing users.

Affected Systems and Versions

Product: Rank Math plugin
Vendor: N/A
Versions affected: Up to 1.0.40.2

Exploitation Mechanism

The vulnerability can be exploited through the unsecured rankmath/v1/updateMeta REST API endpoint, enabling attackers to manipulate WordPress metadata.

Mitigation and Prevention

To address CVE-2020-11514, the following steps are recommended:

Immediate Steps to Take

Disable or remove the Rank Math plugin if not essential for site functionality
Monitor for any unauthorized changes to WordPress metadata
Implement strong authentication mechanisms to prevent unauthorized access

Long-Term Security Practices

Regularly update plugins and themes to patch known vulnerabilities
Conduct security audits to identify and address potential weaknesses

Patching and Updates

Update the Rank Math plugin to the latest secure version
Stay informed about security advisories and apply patches promptly