CVE-2019-4388 : Security Advisory and Response

HCL AppScan Source 9.0.3.13 and earlier versions are vulnerable to cross-site scripting (XSS) attacks due to the ability for users to insert arbitrary JavaScript code into the Web UI.

Understanding CVE-2019-4388

This CVE involves a security vulnerability in HCL AppScan Source versions 9.0.3.13 and earlier, allowing for potential XSS attacks.

What is CVE-2019-4388?

CVE-2019-4388 refers to the susceptibility of HCL AppScan Source 9.0.3.13 and earlier to cross-site scripting (XSS) attacks, where users can embed JavaScript code in the Web UI.

The Impact of CVE-2019-4388

The vulnerability exposes systems to XSS attacks, enabling malicious actors to execute arbitrary scripts in the context of a user's browser.

Technical Details of CVE-2019-4388

HCL AppScan Source 9.0.3.13 and earlier versions are affected by this security flaw.

Vulnerability Description

Users can inject any JavaScript code into the Web UI, leading to the XSS vulnerability in HCL AppScan Source.

Affected Systems and Versions

Product: AppScan Source
Vendor: HCL
Vulnerable Versions: 9.0.3.13 and earlier

Exploitation Mechanism

The vulnerability allows threat actors to execute malicious scripts within the application, potentially compromising user data and system integrity.

Mitigation and Prevention

It is crucial to take immediate action to address and prevent exploitation of CVE-2019-4388.

Immediate Steps to Take

Update HCL AppScan Source to a non-vulnerable version.
Implement input validation mechanisms to prevent unauthorized script injections.
Educate users on safe browsing practices to mitigate XSS risks.

Long-Term Security Practices

Regularly monitor and audit web applications for vulnerabilities.
Conduct security training for developers to enhance secure coding practices.

Patching and Updates

Apply security patches provided by HCL promptly to address the XSS vulnerability in AppScan Source.