CVE-2021-24916 Explained : Impact and Mitigation

A detailed analysis of CVE-2021-24916, focusing on the vulnerability found in the Qubely WordPress plugin.

Understanding CVE-2021-24916

This section delves into the specifics of CVE-2021-24916, a security flaw identified in the Qubely WordPress plugin.

What is CVE-2021-24916?

The vulnerability in the Qubely WordPress plugin before version 1.8.6 permits unauthenticated users to send arbitrary emails to any address using the qubely_send_form_data AJAX action.

The Impact of CVE-2021-24916

The impact of this vulnerability includes unauthorized users being able to send emails without proper authentication, potentially leading to misuse of the feature.

Technical Details of CVE-2021-24916

Explore the technical aspects of CVE-2021-24916, including how it affects systems and the methods of exploitation.

Vulnerability Description

The flaw lies in the improper access control mechanism of Qubely WordPress plugin before version 1.8.6, enabling unauthenticated users to exploit the qubely_send_form_data AJAX action.

Affected Systems and Versions

The vulnerability affects versions of the Qubely plugin prior to version 1.8.6, while later versions are not impacted.

Exploitation Mechanism

By leveraging the qubely_send_form_data AJAX action, attackers can send arbitrary emails to any designated address without the need for prior authentication.

Mitigation and Prevention

Learn how to mitigate the risk posed by CVE-2021-24916 through immediate actions and long-term security measures.

Immediate Steps to Take

Website administrators are advised to update the Qubely plugin to version 1.8.6 or higher to prevent exploitation of this vulnerability.

Long-Term Security Practices

Implement strict access control policies on email-sending functionalities to ensure that only authenticated users can utilize such features.

Patching and Updates

Regularly monitor and apply security patches released by the Qubely plugin developers to address any potential vulnerabilities.