CVE-2021-31567 : Vulnerability Insights and Analysis

WordPress Download Monitor plugin <= 4.4.6 has been found to have an Authenticated Arbitrary File Download vulnerability. This allows arbitrary files, including sensitive configuration files, to be downloaded. Here's what you need to know about this CVE.

Understanding CVE-2021-31567

This section delves into the specifics of the CVE-2021-31567 vulnerability affecting WordPress Download Monitor plugin.

What is CVE-2021-31567?

CVE-2021-31567 is an Authenticated Arbitrary File Download vulnerability discovered in the Download Monitor WordPress plugin versions <= 4.4.6. It enables the download of arbitrary files through a parameter data.

The Impact of CVE-2021-31567

The impact is severe as it allows downloading of critical files like wp-config.php and escaping the web server home directory to access any file within the OS.

Technical Details of CVE-2021-31567

This section covers the technical aspects of the CVE, including the vulnerability description, affected systems, and exploitation mechanisms.

Vulnerability Description

The vulnerability allows authenticated users (admin+) to download arbitrary files through the plugin, compromising the confidentiality of sensitive information.

Affected Systems and Versions

All versions of the Download Monitor WordPress plugin up to 4.4.6 are affected by this vulnerability.

Exploitation Mechanism

By manipulating the &downloadable_file_urls[0] parameter data, attackers can download any file, leading to unauthorized access to critical system files.

Mitigation and Prevention

To safeguard your system from CVE-2021-31567, immediate steps, long-term security practices, and patching recommendations are essential.

Immediate Steps to Take

Update the Download Monitor plugin to version 4.4.7 or higher immediately to mitigate the risk of unauthorized file downloads.

Long-Term Security Practices

Regularly update all plugins and themes to ensure that known vulnerabilities are patched promptly and security gaps are minimized.

Patching and Updates

Always stay informed about security updates and apply patches promptly to protect your WordPress environment from potential threats.