CVE-2021-39316 Explained : Impact and Mitigation

ZoomSounds plugin <= 6.45 for WordPress allows arbitrary files, including sensitive configuration files, to be downloaded via a directory traversal vulnerability.

Understanding CVE-2021-39316

This CVE outlines a security issue in the ZoomSounds plugin for WordPress, potentially exposing sensitive information.

What is CVE-2021-39316?

The ZoomSounds plugin <= 6.45 for WordPress has a vulnerability that enables the download of arbitrary files like wp-config.php using directory traversal.

The Impact of CVE-2021-39316

This vulnerability has a CVSS base score of 7.5 (High severity) with a confidentiality impact of HIGH, posing a risk of unauthorized access to sensitive data.

Technical Details of CVE-2021-39316

This section delves into the specifics of the vulnerability in ZoomSounds <= 6.45.

Vulnerability Description

The ZoomSounds plugin <= 6.45 allows the download of arbitrary files, including wp-config.php, through the

dzsap_download

action using directory traversal in the

link

parameter.

Affected Systems and Versions

Product: ZoomSounds - WordPress Wave Audio Player with Playlist
Vendor: ZoomIt
Versions affected: <= 6.45 (custom version)

Exploitation Mechanism

The vulnerability enables attackers to exploit the

link

parameter to traverse directories and access sensitive files like wp-config.php.

Mitigation and Prevention

In response to CVE-2021-39316, take the following steps to secure your system:

Immediate Steps to Take

Update ZoomSounds plugin to the latest version.
Implement access controls to restrict file downloads.

Long-Term Security Practices

Regularly monitor and audit file access in WordPress plugins.
Educate users on avoiding suspicious links that trigger file downloads.

Patching and Updates

Stay vigilant for security updates and patches from ZoomIt to address this vulnerability.