CVE-2023-0173 : Security Advisory and Response

This CVE, assigned by WPScan, involves a Stored Cross-Site Scripting vulnerability in the WPFunnels plugin for WordPress versions prior to 2.6.9. Attackers with the contributor role or higher could exploit this flaw to execute malicious scripts on affected websites.

Understanding CVE-2023-0173

This section delves into the details of the CVE-2023-0173 vulnerability, its impact, technical aspects, and mitigation strategies.

What is CVE-2023-0173?

CVE-2023-0173 is a vulnerability found in the Drag & Drop Sales Funnel Builder for WordPress plugin before version 2.6.9. This vulnerability stems from inadequate validation and escaping of certain shortcode attributes, enabling users with contributor access or higher to carry out Stored Cross-Site Scripting attacks.

The Impact of CVE-2023-0173

The impact of this vulnerability lies in the potential for unauthorized users to inject and execute malicious scripts within the context of an affected WordPress website. This could lead to various security risks, including data theft, unauthorized access, and manipulation of website content.

Technical Details of CVE-2023-0173

In this section, we will explore the technical specifics of CVE-2023-0173, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the WPFunnels plugin arises due to its failure to properly validate and escape certain shortcode attributes before rendering them on the frontend. This oversight opens the door for malicious users with contributor privileges or higher to insert harmful scripts that get executed within the website's context.

Affected Systems and Versions

The Drag & Drop Sales Funnel Builder for WordPress plugin versions prior to 2.6.9 are impacted by CVE-2023-0173. Users utilizing versions less than 2.6.9 are advised to update to the latest secure release to mitigate this vulnerability.

Exploitation Mechanism

To exploit this vulnerability, an attacker with contributor-level access or higher can craft specially-crafted shortcode attributes containing malicious scripts. When these attributes are rendered on a page or post within the affected WordPress website, the scripts get executed, potentially compromising the site's security.

Mitigation and Prevention

This section outlines the necessary steps to address and prevent CVE-2023-0173, ensuring the security of WordPress websites using the vulnerable WPFunnels plugin.

Immediate Steps to Take

Website administrators should promptly update the WPFunnels plugin to version 2.6.9 or newer to patch the vulnerability. Additionally, monitoring website activity for any signs of unauthorized script execution is recommended.

Long-Term Security Practices

Implementing secure coding practices, conducting regular security audits, and educating users about safe online behavior can contribute to long-term security resilience against Cross-Site Scripting and other vulnerabilities.

Patching and Updates

Regularly checking for plugin updates and promptly applying patches issued by plugin developers is crucial for maintaining a secure WordPress environment. Stay informed about security advisories and prioritize timely updates to mitigate potential risks.