CVE-2021-24133 : Security Advisory and Response

A detailed analysis of CVE-2021-24133, a vulnerability in ActiveCampaign WordPress plugin versions before 8.0.2 that allows for Cross-Site Request Forgery (CSRF) attacks.

Understanding CVE-2021-24133

This section delves into the impact, technical details, and mitigation strategies related to the CVE-2021-24133 vulnerability.

What is CVE-2021-24133?

The CVE-2021-24133 vulnerability involves a lack of CSRF checks in the ActiveCampaign WordPress plugin, allowing an attacker to manipulate the Settings form to change API credentials of a logged-in administrator.

The Impact of CVE-2021-24133

The vulnerability in versions before 8.0.2 of the ActiveCampaign plugin enables attackers to modify API credentials to gain unauthorized access to sensitive data or perform malicious actions.

Technical Details of CVE-2021-24133

This section outlines the vulnerability description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The lack of CSRF checks in the ActiveCampaign WordPress plugin's Settings form could lead to unauthorized changes in API credentials, potentially compromising user data and system integrity.

Affected Systems and Versions

ActiveCampaign versions prior to 8.0.2 are impacted by this vulnerability, making them susceptible to CSRF attacks targeting administrator API credentials.

Exploitation Mechanism

By exploiting the lack of CSRF validation in the plugin, attackers can craft malicious requests to manipulate the API credentials, gaining control over the administrator account.

Mitigation and Prevention

Learn how to immediately address the CVE-2021-24133 vulnerability and establish long-term security measures.

Immediate Steps to Take

Website administrators should update the ActiveCampaign plugin to version 8.0.2 or higher to patch the CSRF vulnerability and secure API credentials.

Long-Term Security Practices

Implement a robust security policy, conduct regular security audits, and educate users on best practices to prevent CSRF and other malicious attacks.

Patching and Updates

Stay informed about security updates from ActiveCampaign and other plugin vendors, promptly applying patches to mitigate known vulnerabilities.