CVE-2019-11398 : Security Advisory and Response

Remote attackers can exploit various cross-site scripting (XSS) vulnerabilities found in UliCMS versions 2019.2 and 2019.1. These vulnerabilities enable them to inject arbitrary web script or HTML by manipulating the 'go' parameter in admin/index.php, the 'go' parameter in /admin/index.php?register=register, or the 'error' parameter in admin/index.php?action=favicon.

Understanding CVE-2019-11398

This CVE involves multiple cross-site scripting (XSS) vulnerabilities in UliCMS 2019.2 and 2019.1, allowing remote attackers to inject malicious web script or HTML.

What is CVE-2019-11398?

CVE-2019-11398 is a security vulnerability in UliCMS versions 2019.2 and 2019.1 that permits remote attackers to execute cross-site scripting (XSS) attacks by manipulating specific parameters in the affected URLs.

The Impact of CVE-2019-11398

The exploitation of these XSS vulnerabilities can lead to severe consequences, including unauthorized data access, cookie theft, session hijacking, and potential malware injection on affected systems.

Technical Details of CVE-2019-11398

This section provides detailed technical insights into the vulnerability.

Vulnerability Description

The vulnerability allows attackers to inject arbitrary web script or HTML by tampering with the 'go' parameter in various URLs within the UliCMS application.

Affected Systems and Versions

UliCMS versions 2019.2 and 2019.1 are affected by this vulnerability.

Exploitation Mechanism

Attackers can exploit the vulnerability by manipulating the 'go' parameter in admin/index.php, the 'go' parameter in /admin/index.php?register=register, or the 'error' parameter in admin/index.php?action=favicon.

Mitigation and Prevention

Protecting systems from CVE-2019-11398 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update UliCMS to the latest patched version that addresses the XSS vulnerabilities.
Implement input validation and output encoding to mitigate XSS risks.
Monitor and filter user inputs to detect and prevent malicious scripts.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and address vulnerabilities.
Educate developers and administrators on secure coding practices to prevent XSS attacks.

Patching and Updates

Stay informed about security updates and patches released by UliCMS and promptly apply them to safeguard against known vulnerabilities.