CVE-2018-20948 : Security Advisory and Response

This CVE involves a vulnerability in cPanel versions prior to 68.0.27 that allows self XSS within the cPanel Backup Restoration feature.

Understanding CVE-2018-20948

This CVE, identified as SEC-383, poses a security risk in cPanel installations.

What is CVE-2018-20948?

cPanel versions before 68.0.27 are susceptible to self XSS attacks through the Backup Restoration feature.

The Impact of CVE-2018-20948

The vulnerability could be exploited by an attacker to execute malicious scripts within the cPanel interface, potentially leading to unauthorized actions.

Technical Details of CVE-2018-20948

This section provides more in-depth technical insights into the CVE.

Vulnerability Description

The issue in cPanel versions prior to 68.0.27 allows for self XSS within the Backup Restoration functionality.

Affected Systems and Versions

Affected Product: cPanel
Vulnerable Versions: Prior to 68.0.27

Exploitation Mechanism

The vulnerability enables attackers to inject and execute malicious scripts within the cPanel Backup Restoration, potentially compromising the system.

Mitigation and Prevention

Protecting systems from CVE-2018-20948 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update cPanel to version 68.0.27 or later to mitigate the vulnerability.
Regularly monitor and audit cPanel for any suspicious activities.

Long-Term Security Practices

Educate users on safe browsing habits and avoiding suspicious links.
Implement network-level security measures to detect and prevent XSS attacks.

Patching and Updates

Stay informed about security updates from cPanel and apply patches promptly to address known vulnerabilities.