CVE-2019-19387 : Vulnerability Insights and Analysis

A cross-site scripting (XSS) vulnerability in FusionPBX version 4.4.1 allows remote attackers to inject arbitrary web script or HTML via the c parameter in the app/fifo_list/fifo_interactive.php file.

Understanding CVE-2019-19387

This CVE involves a security issue in FusionPBX version 4.4.1 that enables remote attackers to execute cross-site scripting attacks.

What is CVE-2019-19387?

The vulnerability allows malicious actors to inject arbitrary web script or HTML through the 'c' parameter in a specific file, leading to potential cross-site scripting attacks.

The Impact of CVE-2019-19387

The vulnerability poses a risk of unauthorized script injection, potentially compromising the security and integrity of the affected system.

Technical Details of CVE-2019-19387

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue arises from inadequate input validation in the 'c' parameter of the app/fifo_list/fifo_interactive.php file, enabling attackers to insert malicious scripts.

Affected Systems and Versions

FusionPBX version 4.4.1

Exploitation Mechanism

Attackers can exploit this vulnerability remotely by injecting malicious web scripts or HTML code through the 'c' parameter.

Mitigation and Prevention

Protecting systems from CVE-2019-19387 requires immediate actions and long-term security measures.

Immediate Steps to Take

Apply the patch provided by FusionPBX to address the vulnerability.
Monitor and filter user inputs to prevent malicious script injections.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Educate users on safe browsing practices and the risks of executing untrusted scripts.

Patching and Updates

Regularly update FusionPBX to the latest version to ensure all security patches are applied.