CVE-2018-20875 : What You Need to Know

An issue is present in cPanel versions prior to 74.0.8, which allows for self XSS through the WHM Security Questions interface (identified as SEC-433).

Understanding CVE-2018-20875

This CVE identifies a vulnerability in cPanel that enables self XSS through the WHM Security Questions interface.

What is CVE-2018-20875?

cPanel versions before 74.0.8 are susceptible to self XSS, allowing attackers to execute malicious scripts in the context of the user's session.

The Impact of CVE-2018-20875

This vulnerability could be exploited by attackers to perform cross-site scripting attacks, potentially leading to unauthorized actions or data theft.

Technical Details of CVE-2018-20875

The technical aspects of this CVE are as follows:

Vulnerability Description

cPanel before version 74.0.8 allows self XSS through the WHM Security Questions interface (SEC-433).

Affected Systems and Versions

Affected systems: cPanel versions prior to 74.0.8
Affected component: WHM Security Questions interface

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the Security Questions interface, leading to self XSS.

Mitigation and Prevention

To address CVE-2018-20875, consider the following steps:

Immediate Steps to Take

Upgrade cPanel to version 74.0.8 or newer to mitigate the vulnerability.
Regularly monitor for any suspicious activities related to the Security Questions interface.

Long-Term Security Practices

Educate users on the risks of clicking on unknown links or providing sensitive information in Security Questions.
Implement security training for users to recognize and report suspicious activities.

Patching and Updates

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