CVE-2017-18471 Explained : Impact and Mitigation

A vulnerability in the paper_lantern password-change screen in cPanel version 62.0.4 and earlier allows for self XSS (SEC-197).

Understanding CVE-2017-18471

This CVE identifies a security issue in cPanel versions prior to 62.0.4 that can be exploited for self XSS.

What is CVE-2017-18471?

cPanel versions before 62.0.4 are susceptible to a vulnerability that enables self XSS on the paper_lantern password-change screen (SEC-197).

The Impact of CVE-2017-18471

The vulnerability allows 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-2017-18471

This section provides more technical insights into the CVE.

Vulnerability Description

The paper_lantern password-change screen in cPanel versions prior to 62.0.4 is vulnerable to self XSS, identified as SEC-197.

Affected Systems and Versions

Affected Product: cPanel
Affected Versions: Up to and including 62.0.4

Exploitation Mechanism

The vulnerability can be exploited by an attacker to inject and execute malicious scripts within the user's session, potentially compromising sensitive information.

Mitigation and Prevention

Protecting systems from CVE-2017-18471 requires immediate actions and long-term security practices.

Immediate Steps to Take

Upgrade cPanel to version 62.0.4 or later to mitigate the vulnerability.
Regularly monitor for any suspicious activities on the password-change screen.

Long-Term Security Practices

Implement strict input validation to prevent XSS attacks.
Educate users about the risks of executing scripts from untrusted sources.

Patching and Updates

Apply security patches and updates provided by cPanel to address known vulnerabilities.