CVE-2019-14387 : Vulnerability Insights and Analysis

The versions of cPanel prior to 82.0.2 possess a vulnerability known as Self XSS, specifically in the cPanel and webmail master templates (SEC-506).

Understanding CVE-2019-14387

This CVE identifies a Self XSS vulnerability in cPanel versions before 82.0.2, affecting the cPanel and webmail master templates.

What is CVE-2019-14387?

cPanel versions prior to 82.0.2 are susceptible to a Self XSS vulnerability in the cPanel and webmail master templates (SEC-506).

The Impact of CVE-2019-14387

The 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-2019-14387

Vulnerability Description

The Self XSS vulnerability in cPanel and webmail master templates (SEC-506) allows attackers to inject and execute malicious scripts within the user's session.

Affected Systems and Versions

Product: cPanel
Versions affected: Prior to 82.0.2

Exploitation Mechanism

Attackers can exploit this vulnerability by tricking users into clicking on specially crafted links or by injecting malicious scripts through input fields.

Mitigation and Prevention

Immediate Steps to Take

Update cPanel to version 82.0.2 or later to mitigate the Self XSS vulnerability.
Educate users about the risks of clicking on unknown links or executing scripts from untrusted sources.

Long-Term Security Practices

Regularly monitor and audit web applications for any suspicious activities.
Implement strict input validation and output encoding to prevent script injection attacks.

Patching and Updates

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