CVE-2019-16950 : What You Need to Know

Enghouse Web Chat versions 6.1.300.31 and 6.2.284.34 have a vulnerability related to cross-site scripting (XSS) when the QueueName parameter is used in a GET request.

Understanding CVE-2019-16950

This CVE involves an XSS vulnerability in specific versions of Enghouse Web Chat.

What is CVE-2019-16950?

CVE-2019-16950 is an XSS issue discovered in Enghouse Web Chat versions 6.1.300.31 and 6.2.284.34. It allows the insertion of user-supplied JavaScript through the QueueName parameter in a GET request.

The Impact of CVE-2019-16950

This vulnerability could be exploited by attackers to execute malicious scripts in the context of a user's browser, potentially leading to various attacks such as data theft, session hijacking, or defacement.

Technical Details of CVE-2019-16950

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in Enghouse Web Chat versions 6.1.300.31 and 6.2.284.34 allows for cross-site scripting (XSS) attacks through the QueueName parameter in a GET request.

Affected Systems and Versions

Enghouse Web Chat versions 6.1.300.31 and 6.2.284.34

Exploitation Mechanism

Attackers can exploit this vulnerability by inserting malicious JavaScript code via the QueueName parameter in a GET request.

Mitigation and Prevention

Protecting systems from CVE-2019-16950 is crucial to maintaining security.

Immediate Steps to Take

Disable or sanitize user inputs to prevent the injection of malicious scripts.
Regularly monitor and audit web applications for any suspicious activities.

Long-Term Security Practices

Implement input validation mechanisms to filter out potentially harmful scripts.
Educate developers and users about the risks of XSS attacks and best practices to prevent them.

Patching and Updates

Apply patches or updates provided by Enghouse to address the XSS vulnerability in the affected versions.