CVE-2021-24730 : What You Need to Know

A detailed analysis of the CVE-2021-24730 vulnerability affecting the Logo Showcase with Slick Slider WordPress plugin.

Understanding CVE-2021-24730

This CVE pertains to a security vulnerability in the Logo Showcase with Slick Slider WordPress plugin version 1.2.5 and below.

What is CVE-2021-24730?

The Logo Showcase with Slick Slider plugin before version 1.2.5 lacks CSRF and authorization checks, allowing authenticated users, like Subscribers, to modify the title, description, alt text, and URL of any uploaded media.

The Impact of CVE-2021-24730

The vulnerability can be exploited by authenticated users to manipulate media elements without proper authorization, potentially leading to unauthorized modifications and content tampering on websites.

Technical Details of CVE-2021-24730

This section elaborates on the technical aspects of the CVE.

Vulnerability Description

The absence of CSRF and authorization validations in the plugin's AJAX action 'lswss_save_attachment_data' enables unauthorized users to alter media properties.

Affected Systems and Versions

The Logo Showcase with Slick Slider plugin versions prior to 1.2.5 are impacted by this vulnerability, leaving websites utilizing these versions at risk.

Exploitation Mechanism

By leveraging the lack of proper CSRF and authorization controls, authenticated users can manipulate the title, description, alt text, and URL of media files uploaded via the plugin.

Mitigation and Prevention

It is crucial to take immediate steps to secure systems and prevent potential exploitation of this vulnerability.

Immediate Steps to Take

Upgrade the Logo Showcase with Slick Slider plugin to version 1.2.5 or above to mitigate the vulnerability.
Implement strong authentication and authorization mechanisms to restrict unauthorized access.

Long-Term Security Practices

Regularly monitor for plugin updates and security advisories to stay informed about patches.
Conduct security audits and penetration testing to identify and address any security gaps proactively.

Patching and Updates

Ensure prompt installation of security patches and updates released by the plugin vendor to protect systems from known vulnerabilities.