CVE-2020-13796 Explained : Impact and Mitigation

An issue was discovered in Navigate CMS through 2.8.7, allowing XSS due to a lack of purify calls in lib/packages/structure/structure.class.php.

Understanding CVE-2020-13796

This CVE identifies a cross-site scripting vulnerability in Navigate CMS.

What is CVE-2020-13796?

The vulnerability in Navigate CMS through version 2.8.7 enables cross-site scripting attacks by not properly sanitizing input in a specific PHP file.

The Impact of CVE-2020-13796

This 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-2020-13796

Navigate CMS through version 2.8.7 is susceptible to XSS attacks.

Vulnerability Description

The issue arises from a lack of purify calls in the structure.class.php file, leaving user input unsanitized and vulnerable to XSS exploitation.

Affected Systems and Versions

Product: Navigate CMS
Vendor: Navigate CMS
Versions affected: All versions up to 2.8.7

Exploitation Mechanism

Attackers can inject malicious scripts into the application through unsanitized user input, potentially compromising user data or performing unauthorized actions.

Mitigation and Prevention

To address CVE-2020-13796, follow these steps:

Immediate Steps to Take

Update Navigate CMS to the latest version that includes a fix for the XSS vulnerability.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit your web application for security vulnerabilities.
Educate developers on secure coding practices to prevent similar issues in the future.

Patching and Updates

Stay informed about security updates and patches released by Navigate CMS.
Apply patches promptly to ensure your system is protected against known vulnerabilities.