CVE-2020-20628 : Security Advisory and Response

This CVE involves an unauthenticated stored XSS vulnerability in the WP GDPR plugin through version 2.1.1.

Understanding CVE-2020-20628

This vulnerability allows attackers to execute malicious scripts in the context of a user's browser when the user visits a compromised website.

What is CVE-2020-20628?

The vulnerability exists in the controller/controller-comments.php file of the WP GDPR plugin, enabling unauthenticated attackers to store and execute malicious scripts.

The Impact of CVE-2020-20628

The vulnerability can lead to unauthorized access, data theft, and potential compromise of sensitive information on affected websites.

Technical Details of CVE-2020-20628

The following technical details provide insight into the nature of the vulnerability.

Vulnerability Description

The WP GDPR plugin through version 2.1.1 is susceptible to unauthenticated stored XSS attacks due to inadequate input validation in the controller-comments.php file.

Affected Systems and Versions

Affected Product: WP GDPR plugin
Affected Version: up to 2.1.1

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into comments on the affected website, which are then executed when viewed by other users.

Mitigation and Prevention

Protecting systems from CVE-2020-20628 requires immediate action and long-term security measures.

Immediate Steps to Take

Disable or remove the WP GDPR plugin if not essential for website functionality.
Implement web application firewalls to filter and block malicious traffic.
Regularly monitor and audit user-generated content for suspicious activities.

Long-Term Security Practices

Keep software and plugins updated to patch known vulnerabilities.
Conduct regular security assessments and penetration testing to identify and address potential weaknesses.
Educate users and administrators about safe browsing practices and the risks of untrusted content.

Patching and Updates

Ensure that the WP GDPR plugin is updated to the latest secure version to mitigate the risk of exploitation.