CVE-2021-24913 : Security Advisory and Response

A detailed overview of CVE-2021-24913, affecting the Logo Showcase with Slick Slider WordPress plugin before version 2.0.1 due to a CSRF vulnerability in the AJAX action.

Understanding CVE-2021-24913

This CVE describes a security issue in the Logo Showcase with Slick Slider WordPress plugin that allows attackers to manipulate uploaded media via CSRF attacks.

What is CVE-2021-24913?

The Logo Showcase with Slick Slider WordPress plugin before version 2.0.1 lacks CSRF protection in the lswss_save_attachment_data AJAX action, enabling unauthorized users to modify media files.

The Impact of CVE-2021-24913

Exploitation of this vulnerability could result in unauthorized modifications to media file titles, descriptions, alt text, and URLs by attackers posing as high-privileged users.

Technical Details of CVE-2021-24913

An exploration of the vulnerability's specifics including how systems are affected and the method of exploitation.

Vulnerability Description

The issue arises from the absence of CSRF validation in the plugin's AJAX action, allowing attackers to tamper with media metadata.

Affected Systems and Versions

Versions of the Logo Showcase with Slick Slider plugin prior to 2.0.1 are vulnerable to this CSRF attack, putting user data at risk.

Exploitation Mechanism

Attackers can exploit this vulnerability by sending crafted requests to the lswss_save_attachment_data AJAX action, leading to unauthorized changes in media files.

Mitigation and Prevention

Guidelines to address and prevent the CVE-2021-24913 vulnerability in the Logo Showcase with Slick Slider plugin.

Immediate Steps to Take

Website administrators should update the plugin to version 2.0.1 or later to mitigate the risk of unauthorized media modifications.

Long-Term Security Practices

Implement robust security measures such as regular security audits and enforcing CSRF protection mechanisms to enhance overall website security.

Patching and Updates

Stay informed about security updates for the Logo Showcase with Slick Slider plugin and promptly apply patches to address known vulnerabilities.