CVE-2019-19491 Explained : Impact and Mitigation

TestLink 1.9.19 has a Cross-Site Scripting (XSS) vulnerability that can be exploited through various parameters in specific files.

Understanding CVE-2019-19491

This CVE entry describes a specific XSS vulnerability in TestLink 1.9.19.

What is CVE-2019-19491?

The vulnerability allows attackers to execute malicious scripts in the context of a user's browser on the affected system.

The Impact of CVE-2019-19491

Exploitation of this vulnerability can lead to unauthorized access, data theft, and potential compromise of the affected system.

Technical Details of CVE-2019-19491

TestLink 1.9.19 is susceptible to a Cross-Site Scripting (XSS) vulnerability.

Vulnerability Description

The vulnerability exists in the "edit" parameter in the "lib/testcases/archiveData.php" file, the "reqURI" parameter in the "index.php" file, or the URI in a "lib/testcases/tcEdit.php?doAction=doDeleteStep" request.

Affected Systems and Versions

Product: TestLink 1.9.19
Vendor: N/A
Version: N/A

Exploitation Mechanism

Attackers can exploit the vulnerability by injecting malicious scripts through the mentioned parameters.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2019-19491.

Immediate Steps to Take

Disable or restrict access to the vulnerable parameters and files.
Implement input validation and output encoding to prevent XSS attacks.

Long-Term Security Practices

Regularly update TestLink to the latest version to patch known vulnerabilities.
Conduct security assessments and penetration testing to identify and address potential security weaknesses.

Patching and Updates

Apply security patches provided by TestLink promptly to address the XSS vulnerability.