CVE-2020-20138 : Security Advisory and Response

A Cross Site Scripting (XSS) vulnerability in the Showtime2 Slideshow module in CMS Made Simple (CMSMS) 2.2.4.

Understanding CVE-2020-20138

This CVE involves a security issue in the Showtime2 Slideshow module in CMS Made Simple (CMSMS) version 2.2.4.

What is CVE-2020-20138?

This CVE identifies a Cross Site Scripting (XSS) vulnerability in the Showtime2 Slideshow module in CMS Made Simple (CMSMS) version 2.2.4.

The Impact of CVE-2020-20138

The vulnerability could allow an attacker to execute malicious scripts in the context of a user's browser, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-20138

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability is due to insufficient input validation in the Showtime2 Slideshow module, enabling attackers to inject and execute malicious scripts.

Affected Systems and Versions

Affected Product: CMS Made Simple (CMSMS)
Affected Version: 2.2.4

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the affected module, which may then be executed when a user interacts with the compromised content.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent the exploitation of this vulnerability.

Immediate Steps to Take

Disable or remove the vulnerable Showtime2 Slideshow module from CMS Made Simple (CMSMS) 2.2.4.
Regularly monitor for any signs of unauthorized script execution or suspicious activities.

Long-Term Security Practices

Implement strict input validation mechanisms to prevent XSS attacks.
Educate users about the risks of executing scripts from untrusted sources.

Patching and Updates

Check for security patches or updates provided by CMS Made Simple to address this vulnerability.