CVE-2018-16975 : What You Need to Know

A vulnerability has been found in Elefant CMS versions prior to 2.0.7 that allows for PHP code execution through inadequate input validation.

Understanding CVE-2018-16975

What is CVE-2018-16975?

This CVE identifies a PHP code execution vulnerability in Elefant CMS versions before 2.0.7, specifically in the /designer/add/stylesheet.php file.

The Impact of CVE-2018-16975

The vulnerability allows attackers to execute PHP code by using a .php extension in the New Stylesheet Name field along with <?php content due to insufficient input validation.

Technical Details of CVE-2018-16975

Vulnerability Description

The issue arises from inadequate input validation in the apps/designer/handlers/csspreview.php file, enabling PHP code execution.

Affected Systems and Versions

Product: Elefant CMS
Vendor: Elefant
Versions Affected: Versions prior to 2.0.7

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting a .php extension in the New Stylesheet Name field along with <?php content.

Mitigation and Prevention

Immediate Steps to Take

Upgrade to Elefant CMS version 2.0.7 or later to mitigate the vulnerability.
Avoid using PHP code in the New Stylesheet Name field.

Long-Term Security Practices

Implement strict input validation mechanisms in web applications.
Regularly monitor and update CMS software to address security flaws.

Patching and Updates

Ensure timely installation of security patches and updates provided by Elefant CMS.