CVE-2023-2716 Explained : Impact and Mitigation

This CVE involves a vulnerability in the Groundhogg plugin for WordPress, allowing authenticated attackers with subscriber-level access and above to upload a file to the contact and view all other uploaded files related to the contact.

Understanding CVE-2023-2716

This section will delve deeper into the nature of CVE-2023-2716.

What is CVE-2023-2716?

CVE-2023-2716 is a security vulnerability found in the Groundhogg plugin for WordPress, specifically in versions up to and including 2.7.9.8. The issue arises due to a missing capability check on the 'ajax_upload_file' function, which enables unauthorized access and modification of data.

The Impact of CVE-2023-2716

The vulnerability can be exploited by authenticated attackers with certain access levels, leading to potential data breaches and unauthorized file uploads within the affected WordPress CRM, Email & Marketing Automation solution.

Technical Details of CVE-2023-2716

In this section, we will discuss the technical aspects of CVE-2023-2716.

Vulnerability Description

The vulnerability in the 'ajax_upload_file' function in Groundhogg versions up to 2.7.9.8 allows attackers to upload files to a contact and access all other uploaded files associated with that contact, bypassing proper authorization checks.

Affected Systems and Versions

The Groundhogg plugin for WordPress up to and including version 2.7.9.8 is impacted by this CVE, leaving those installations vulnerable to unauthorized data access and modification.

Exploitation Mechanism

By leveraging the missing capability check on the 'ajax_upload_file' function, authenticated attackers with subscriber-level access and higher can abuse the vulnerability to upload files to contacts and view all previously uploaded files linked to the contact.

Mitigation and Prevention

To address CVE-2023-2716 and enhance security, consider the following steps:

Immediate Steps to Take

Update the Groundhogg plugin to version 2.7.10 or later, where the vulnerability has been fixed.
Monitor user roles and permissions within WordPress to restrict access to sensitive functions and data.

Long-Term Security Practices

Regularly audit and review plugins/extensions for security vulnerabilities.
Educate users on proper file upload policies and procedures to prevent unauthorized access.

Patching and Updates

Ensure timely application of software patches and updates to mitigate known vulnerabilities and enhance security posture within the WordPress environment.