CVE-2019-11564 : Exploit Details and Defense Strategies

A cross-site scripting (XSS) vulnerability in HumHub 1.3.12 allows remote attackers to inject arbitrary web script or HTML via a POST request.

Understanding CVE-2019-11564

An issue with cross-site scripting (XSS) has been identified in version 1.3.12 of HumHub, allowing remote attackers to inject unauthorized web script or HTML.

What is CVE-2019-11564?

CVE-2019-11564 is a cross-site scripting (XSS) vulnerability in HumHub 1.3.12 that enables remote attackers to inject arbitrary web script or HTML through a specific POST request.

The Impact of CVE-2019-11564

This vulnerability can be exploited by remote attackers to inject unauthorized web script or HTML, potentially leading to various security risks such as data theft, unauthorized access, and manipulation of content.

Technical Details of CVE-2019-11564

Vulnerability Description

The vulnerability in HumHub 1.3.12 allows attackers to inject unauthorized web script or HTML via a POST request to a specific path.

Affected Systems and Versions

Product: HumHub
Version: 1.3.12

Exploitation Mechanism

Attackers can exploit this vulnerability by sending a POST request to /protected/vendor/codeception/codeception/tests/data/app/view/index.php.

Mitigation and Prevention

Immediate Steps to Take

Update HumHub to the latest version to patch the vulnerability.
Implement strict input validation to prevent XSS attacks.

Long-Term Security Practices

Regularly monitor and audit web applications for security vulnerabilities.
Educate developers and users about the risks of XSS attacks and best practices for prevention.

Patching and Updates

Stay informed about security updates and patches released by HumHub.