CVE-2018-20876 Explained : Impact and Mitigation

Prior to version 74.0.8, there is a vulnerability in cPanel which enables self XSS within the Site Software Moderation interface (SEC-434).

Understanding CVE-2018-20876

cPanel before 74.0.8 allows self XSS in the Site Software Moderation interface (SEC-434).

What is CVE-2018-20876?

This CVE refers to a vulnerability in cPanel that allows for self XSS within the Site Software Moderation interface (SEC-434).

The Impact of CVE-2018-20876

The vulnerability could be exploited by an attacker to perform self XSS attacks, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-20876

Vulnerability Description

The vulnerability in cPanel before version 74.0.8 allows for self XSS within the Site Software Moderation interface (SEC-434).

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Prior to version 74.0.8

Exploitation Mechanism

The vulnerability can be exploited by an attacker to execute self XSS attacks within the Site Software Moderation interface.

Mitigation and Prevention

Immediate Steps to Take

Upgrade cPanel to version 74.0.8 or later to mitigate the vulnerability.
Regularly monitor for security updates from cPanel.

Long-Term Security Practices

Implement strict input validation mechanisms to prevent XSS attacks.
Educate users on safe browsing practices and the risks of executing untrusted scripts.

Patching and Updates

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