CVE-2021-24722 : Vulnerability Insights and Analysis

The Restaurant Menu by MotoPress WordPress plugin before version 2.4.2 is vulnerable to a stored Cross-Site Scripting (XSS) attack, allowing high privilege users to execute malicious scripts.

Understanding CVE-2021-24722

This CVE affects the Restaurant Menu by MotoPress WordPress plugin versions prior to 2.4.2, leaving them susceptible to XSS attacks.

What is CVE-2021-24722?

The Restaurant Menu by MotoPress plugin version < 2.4.2 fails to properly sanitize or escape user inputs when creating new menu items, enabling high privilege users to execute XSS attacks even when unfiltered_html capability is restricted.

The Impact of CVE-2021-24722

This vulnerability allows attackers with elevated privileges to inject malicious scripts into the plugin, potentially compromising the website and its users.

Technical Details of CVE-2021-24722

The technical details include:

Vulnerability Description

The vulnerability arises from the lack of input sanitization in the process of creating menu items, enabling XSS attacks.

Affected Systems and Versions

The issue affects versions of the Restaurant Menu by MotoPress plugin prior to 2.4.2.

Exploitation Mechanism

Attackers with high privileges can exploit this vulnerability by injecting malicious scripts through the creation of new menu items.

Mitigation and Prevention

To address CVE-2021-24722, consider the following:

Immediate Steps to Take

Update the Restaurant Menu by MotoPress plugin to version 2.4.2 or later.
Monitor website activities for any signs of unauthorized script execution.

Long-Term Security Practices

Regularly update all installed plugins and themes to their latest versions.
Implement content security policies to mitigate XSS risks.

Patching and Updates

Install security patches released by the plugin developer promptly to address known vulnerabilities.