CVE-2020-36398 : Security Advisory and Response

A stored cross-site scripting (XSS) vulnerability in phplist 3.5.4 and below allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the 'Campaign' field under the 'Send a campaign' module.

Understanding CVE-2020-36398

This CVE involves a stored XSS vulnerability in phplist versions 3.5.4 and earlier, enabling malicious actors to run unauthorized web scripts or HTML.

What is CVE-2020-36398?

This CVE identifies a specific security flaw in phplist that permits attackers to inject and execute malicious scripts or HTML code through a manipulated payload within the 'Campaign' field.

The Impact of CVE-2020-36398

The vulnerability could lead to various security risks, including unauthorized access, data theft, and potential manipulation of the application's content.

Technical Details of CVE-2020-36398

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

Vulnerability Description

The vulnerability arises from inadequate input validation in the 'Campaign' field, allowing attackers to insert malicious scripts or HTML.

Affected Systems and Versions

Product: phplist
Versions affected: 3.5.4 and below

Exploitation Mechanism

Attackers can exploit this vulnerability by crafting a payload containing malicious scripts or HTML and submitting it through the 'Campaign' field.

Mitigation and Prevention

Protecting systems from CVE-2020-36398 requires immediate actions and long-term security practices.

Immediate Steps to Take

Update phplist to the latest version to patch the vulnerability.
Avoid inputting untrusted data into the 'Campaign' field.

Long-Term Security Practices

Implement strict input validation mechanisms to prevent XSS attacks.
Conduct regular security audits and penetration testing to identify and address vulnerabilities.

Patching and Updates

Regularly check for security updates and patches for phplist to ensure protection against known vulnerabilities.