CVE-2022-31133 : Security Advisory and Response

Understanding CVE-2022-31133

This CVE refers to a stored Cross-Site Scripting (XSS) vulnerability in HumHub, an Open Source Enterprise Social Network. Attackers with sufficient privileges can exploit this issue by inserting malicious JavaScript into a space name.

What is CVE-2022-31133?

HumHub versions below 1.11.4 are vulnerable to a stored Cross-Site Scripting (XSS) vulnerability. Attackers with permission to administer the Spaces feature can insert malicious javascript into a space name, impacting system users who visit that space. Upgrading to version 1.11.4 or 1.10.5 is recommended.

The Impact of CVE-2022-31133

The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 5.9. It requires high privileges for exploitation and user interaction is required.

Technical Details of CVE-2022-31133

This section provides detailed technical information about the vulnerability.

Vulnerability Description

The vulnerability is due to the improper neutralization of input during web page generation, leading to a stored Cross-Site Scripting (XSS) issue.

Affected Systems and Versions

HumHub versions below 1.11.4 are affected by this vulnerability.

Exploitation Mechanism

Attackers with sufficient privileges can exploit this vulnerability by inserting malicious JavaScript into a space name.

Mitigation and Prevention

It is crucial to take immediate steps to address and prevent this vulnerability in HumHub.

Immediate Steps to Take

Upgrade HumHub to version 1.11.4 or 1.10.5 to mitigate the risk of exploitation.

Long-Term Security Practices

Implement security best practices to protect against Cross-Site Scripting (XSS) vulnerabilities in web applications.

Patching and Updates

Regularly apply security patches and updates provided by HumHub to address known vulnerabilities and enhance system security.