CVE-2019-19366 Explained : Impact and Mitigation

An instance of cross-site scripting (XSS) vulnerability was discovered in app/xml_cdr/xml_cdr_search.php module of FusionPBX version 4.4.1. This vulnerability enables unauthorized individuals to inject arbitrary web script or HTML by abusing the redirect parameter.

Understanding CVE-2019-19366

This CVE involves a cross-site scripting vulnerability in FusionPBX version 4.4.1, allowing remote attackers to inject malicious scripts or HTML.

What is CVE-2019-19366?

CVE-2019-19366 is a security vulnerability found in the FusionPBX software, specifically in the app/xml_cdr/xml_cdr_search.php module. It allows attackers to insert unauthorized web scripts or HTML code using the redirect parameter.

The Impact of CVE-2019-19366

The presence of this vulnerability can lead to various security risks, including unauthorized access, data theft, and potential manipulation of the affected system.

Technical Details of CVE-2019-19366

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

Vulnerability Description

The XSS vulnerability in FusionPBX version 4.4.1 permits remote attackers to execute arbitrary web scripts or HTML by exploiting the redirect parameter in the xml_cdr_search.php module.

Affected Systems and Versions

Affected System: FusionPBX version 4.4.1
Affected Component: app/xml_cdr/xml_cdr_search.php

Exploitation Mechanism

Attackers can exploit this vulnerability by manipulating the redirect parameter to inject malicious scripts or HTML code, potentially compromising the security of the system.

Mitigation and Prevention

Protecting systems from CVE-2019-19366 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update FusionPBX to the latest version that includes a patch for this vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injections.

Long-Term Security Practices

Regularly monitor and audit web applications for vulnerabilities like XSS.
Educate developers and users about secure coding practices to mitigate XSS risks.

Patching and Updates

Ensure timely installation of security patches and updates provided by FusionPBX to address known vulnerabilities like CVE-2019-19366.