CVE-2017-1000428 : Security Advisory and Response

flatCore-CMS version 1.4.6 is vulnerable to reflected cross-site scripting (XSS) and stored XSS attacks.

Understanding CVE-2017-1000428

flatCore-CMS 1.4.6 has security vulnerabilities that can lead to XSS attacks.

What is CVE-2017-1000428?

The flatCore-CMS version 1.4.6 contains a security flaw in the user_management.php file, making it susceptible to reflected cross-site scripting (XSS) due to the use of $_SERVER['PHP_SELF'] in link creation. Additionally, the admin log panel is at risk of stored XSS attacks if a malformed User-Agent string is specified.

The Impact of CVE-2017-1000428

Attackers can exploit these vulnerabilities to execute malicious scripts in the context of a user's session.
This could lead to unauthorized actions, data theft, or complete system compromise.

Technical Details of CVE-2017-1000428

flatCore-CMS 1.4.6 vulnerability details.

Vulnerability Description

The vulnerability lies in the user_management.php file, allowing for reflected XSS attacks.
The admin log panel is also affected, enabling stored XSS attacks.

Affected Systems and Versions

Product: flatCore-CMS
Version: 1.4.6

Exploitation Mechanism

Reflected XSS: Utilization of $_SERVER['PHP_SELF'] in link creation.
Stored XSS: Malformed User-Agent string in the admin log panel.

Mitigation and Prevention

Protect your system from CVE-2017-1000428.

Immediate Steps to Take

Disable the affected features or sanitize user inputs to prevent XSS attacks.
Regularly monitor and analyze user-agent strings for anomalies.

Long-Term Security Practices

Implement input validation and output encoding to mitigate XSS risks.
Stay informed about security updates and patches for flatCore-CMS.

Patching and Updates

Apply security patches provided by flatCore-CMS to address the vulnerabilities.