CVE-2020-26111 Explained : Impact and Mitigation

cPanel before 90.0.10 allows self XSS via the WHM Edit DNS Zone interface (SEC-566).

Understanding CVE-2020-26111

This CVE involves a vulnerability in cPanel that allows self XSS through the WHM Edit DNS Zone interface.

What is CVE-2020-26111?

CVE-2020-26111 is a security vulnerability in cPanel versions prior to 90.0.10 that enables self XSS via the WHM Edit DNS Zone interface (SEC-566).

The Impact of CVE-2020-26111

The vulnerability can be exploited by 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-2020-26111

This section provides more technical insights into the CVE.

Vulnerability Description

The vulnerability in cPanel before version 90.0.10 allows for self XSS via the WHM Edit DNS Zone interface (SEC-566).

Affected Systems and Versions

Affected Product: cPanel
Affected Versions: All versions before 90.0.10

Exploitation Mechanism

The vulnerability can be exploited by tricking a user into performing specific actions, leading to the execution of malicious scripts.

Mitigation and Prevention

Protecting systems from CVE-2020-26111 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update cPanel to version 90.0.10 or later to mitigate the vulnerability.
Educate users to avoid clicking on suspicious links or performing untrusted actions.

Long-Term Security Practices

Regularly update software and apply security patches promptly.
Implement security awareness training for users to recognize and report suspicious activities.

Patching and Updates

Ensure timely patching of software and systems to address known vulnerabilities like CVE-2020-26111.