CVE-2021-24566 Explained : Impact and Mitigation

WooCommerce Currency Switcher < 1.3.7 - Authenticated (Low Privilege) Local File Inclusion vulnerability allows attackers to exploit the WordPress plugin before version 1.3.7 via the "woocs" shortcode.

Understanding CVE-2021-24566

This section will provide insights into the vulnerability, its impact, technical details, and mitigation strategies.

What is CVE-2021-24566?

This CVE refers to a Local File Inclusion (LFI) vulnerability present in the WooCommerce Currency Switcher WordPress plugin versions prior to 1.3.7. Exploiting this vulnerability could allow authenticated attackers with low privileges to include arbitrary local files.

The Impact of CVE-2021-24566

The impact of this vulnerability is significant as it enables attackers to access sensitive files and data on the affected system. By exploiting the LFI vulnerability, an attacker can escalate privileges and execute malicious activities.

Technical Details of CVE-2021-24566

Below are the technical details related to the WooCommerce Currency Switcher LFI vulnerability:

Vulnerability Description

The vulnerability allows attackers to leverage the "woocs" shortcode to perform Local File Inclusion (LFI) attacks on the affected WordPress plugin.

Affected Systems and Versions

The vulnerability affects WooCommerce Currency Switcher plugin versions prior to 1.3.7.

Exploitation Mechanism

Attackers with authenticated access and low privileges can exploit the LFI vulnerability by manipulating the "woocs" shortcode to include arbitrary local files.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-24566, users and administrators should take the following steps:

Immediate Steps to Take

Update the WooCommerce Currency Switcher plugin to version 1.3.7 or newer to eliminate the LFI vulnerability.
Monitor system logs for any unusual activities that may indicate exploitation attempts.

Long-Term Security Practices

Regularly update all plugins, themes, and WordPress core to patch known vulnerabilities and enhance overall security.
Conduct security audits and penetration testing to identify and address any security gaps proactively.

Patching and Updates

Stay informed about security advisories and patch releases related to WordPress plugins to apply updates promptly and reduce the risk of exploitation.