CVE-2017-20026 Explained : Impact and Mitigation

A security flaw has been discovered in HumHub version 1.0.1, affecting an unidentified feature through cross-site scripting. The vulnerability can be exploited remotely, with a medium severity CVSS base score of 4.3.

Understanding CVE-2017-20026

This CVE involves a reflected cross-site scripting vulnerability in HumHub version 1.0.1.

What is CVE-2017-20026?

The vulnerability affects HumHub version 1.0.1 through cross-site scripting (Reflected).
It allows remote attackers to execute attacks.
The issue has a CVSS base score of 4.3, indicating a medium severity.

The Impact of CVE-2017-20026

The vulnerability poses a risk of unauthorized code execution and data theft.
Attackers can exploit this flaw to manipulate user interactions and compromise sensitive information.

Technical Details of CVE-2017-20026

This section provides detailed technical information about the vulnerability.

Vulnerability Description

CWE-80: Basic Cross Site Scripting vulnerability in HumHub version 1.0.1.

Affected Systems and Versions

Product: HumHub
Versions: 1.0.0, 1.0.1

Exploitation Mechanism

Attack Complexity: Low
Attack Vector: Network
User Interaction: Required
Privileges Required: None
Integrity Impact: Low
Scope: Unchanged
Exploitation can be done remotely.

Mitigation and Prevention

To address CVE-2017-20026, follow these mitigation steps:

Immediate Steps to Take

Upgrade to version 1.1.1 of HumHub to eliminate the vulnerability.
Update the affected component to the latest version.

Long-Term Security Practices

Regularly monitor and update software to patch security vulnerabilities.
Implement security best practices to prevent cross-site scripting attacks.

Patching and Updates

Stay informed about security updates and patches released by the software vendor.
Apply patches promptly to ensure the security of the system.