CVE-2019-11406 Explained : Impact and Mitigation

Subrion CMS version 4.2.1 is susceptible to an XSS vulnerability that can be exploited through specific parameters.

Understanding CVE-2019-11406

This CVE entry describes a cross-site scripting (XSS) vulnerability in Subrion CMS version 4.2.1 that allows malicious actors to execute scripts in a victim's web browser.

What is CVE-2019-11406?

The vulnerability in Subrion CMS version 4.2.1 enables attackers to inject and execute malicious scripts through the name, email, or phone parameter located in _core/en/contacts/.

The Impact of CVE-2019-11406

Exploitation of this vulnerability could lead to unauthorized access, data theft, and potential compromise of user information on websites using the affected version of Subrion CMS.

Technical Details of CVE-2019-11406

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

Vulnerability Description

An XSS vulnerability exists in Subrion CMS version 4.2.1, specifically in the handling of parameters related to name, email, or phone within the _core/en/contacts/ directory.

Affected Systems and Versions

Product: Subrion CMS
Version: 4.2.1
Status: Affected

Exploitation Mechanism

The vulnerability can be exploited by injecting malicious scripts into the name, email, or phone parameters, allowing attackers to execute arbitrary code in the context of the victim's browser.

Mitigation and Prevention

Protecting systems from CVE-2019-11406 involves immediate actions and long-term security practices.

Immediate Steps to Take

Update Subrion CMS to a patched version that addresses the XSS vulnerability.
Implement input validation mechanisms to sanitize user inputs and prevent script injection.
Monitor web traffic for suspicious activities that may indicate exploitation attempts.

Long-Term Security Practices

Regularly audit and review code for security vulnerabilities, including XSS issues.
Educate developers and administrators on secure coding practices to mitigate XSS risks.
Stay informed about security updates and patches released by Subrion CMS.
Consider implementing a web application firewall (WAF) to filter and block malicious traffic.
Conduct periodic security assessments and penetration testing to identify and remediate vulnerabilities.

Patching and Updates

Ensure timely application of security patches and updates provided by Subrion CMS to address the XSS vulnerability and enhance overall system security.