CVE-2020-12708 : Security Advisory and Response

PHP-Fusion 9.03.50 has multiple cross-site scripting vulnerabilities that can be exploited by remote attackers to inject arbitrary web script or HTML.

Understanding CVE-2020-12708

What is CVE-2020-12708?

This CVE refers to multiple cross-site scripting vulnerabilities in PHP-Fusion 9.03.50, allowing attackers to inject malicious scripts or HTML code via specific parameters in certain PHP-Fusion pages.

The Impact of CVE-2020-12708

These vulnerabilities can be exploited by remote attackers to execute arbitrary scripts or HTML code on the affected PHP-Fusion instances, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2020-12708

Vulnerability Description

The vulnerabilities in PHP-Fusion 9.03.50 enable attackers to inject malicious web scripts or HTML through the cat_id parameter in downloads/downloads.php or article.php.

Affected Systems and Versions

Product: PHP-Fusion 9.03.50
Vendor: PHP-Fusion
Versions: All versions are affected

Exploitation Mechanism

Attackers can exploit these vulnerabilities by manipulating the cat_id parameter in the mentioned PHP-Fusion pages to inject malicious scripts or HTML code.

Mitigation and Prevention

Immediate Steps to Take

Update PHP-Fusion to the latest version to patch the vulnerabilities.
Implement input validation and output encoding to mitigate cross-site scripting attacks.
Monitor and filter user inputs to prevent malicious script injections.

Long-Term Security Practices

Regularly update and patch all software components to address security vulnerabilities.
Conduct security assessments and penetration testing to identify and remediate potential vulnerabilities.

Patching and Updates

Ensure timely installation of security patches and updates provided by PHP-Fusion to address known vulnerabilities.