CVE-2019-17380 : What You Need to Know

The WHM Update Preferences interface in cPanel prior to version 82.0.15 has a vulnerability that allows for self XSS (cross-site scripting) (SEC-528).

Understanding CVE-2019-17380

cPanel before 82.0.15 allows self XSS in the WHM Update Preferences interface (SEC-528).

What is CVE-2019-17380?

CVE-2019-17380 is a vulnerability in cPanel's WHM Update Preferences interface that enables self XSS (cross-site scripting), identified as SEC-528.

The Impact of CVE-2019-17380

This vulnerability could allow an attacker to execute malicious scripts in the context of the user's session, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2019-17380

Vulnerability Description

The vulnerability in cPanel before version 82.0.15 permits self XSS within the WHM Update Preferences interface (SEC-528).

Affected Systems and Versions

Affected Product: cPanel
Affected Version: Prior to 82.0.15

Exploitation Mechanism

The vulnerability can be exploited by an attacker to inject and execute malicious scripts within the user's session, compromising the security of the system.

Mitigation and Prevention

Immediate Steps to Take

Update cPanel to version 82.0.15 or later to mitigate the vulnerability.
Regularly monitor for any suspicious activities or unauthorized changes in the system.

Long-Term Security Practices

Educate users on safe browsing habits and the risks of clicking on unknown links.
Implement strict input validation and output encoding to prevent XSS attacks.

Patching and Updates

Ensure timely installation of security patches and updates provided by cPanel to address known vulnerabilities.