CVE-2020-13633 : Security Advisory and Response

Fork before 5.8.3 allows XSS via navigation_title or title.

Understanding CVE-2020-13633

Fork before version 5.8.3 is vulnerable to cross-site scripting (XSS) attacks through specific parameters.

What is CVE-2020-13633?

This CVE identifies a security vulnerability in Fork versions prior to 5.8.3 that enables attackers to execute XSS attacks using the navigation_title or title parameters.

The Impact of CVE-2020-13633

The vulnerability allows malicious actors to inject and execute arbitrary scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-13633

Fork before 5.8.3 is susceptible to XSS attacks due to inadequate input validation.

Vulnerability Description

The issue arises from insufficient sanitization of user-supplied data in the navigation_title or title fields, enabling attackers to embed malicious scripts.

Affected Systems and Versions

Affected System: Fork CMS
Affected Versions: Fork versions before 5.8.3

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the navigation_title or title parameters, which are not properly sanitized by the application.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2020-13633.

Immediate Steps to Take

Update Fork CMS to version 5.8.3 or later to patch the vulnerability.
Implement input validation and output encoding to prevent XSS attacks.
Regularly monitor and audit user input for malicious content.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and address 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 Fork CMS.
Promptly apply patches to ensure the security of your system.