CVE-2023-2899 : Exploit Details and Defense Strategies

This CVE record, published on June 19, 2023, by WPScan, pertains to a security vulnerability in the Google Map Shortcode WordPress plugin version 3.1.2 and below. The vulnerability could potentially allow users with low roles, such as contributors, to execute Stored Cross-Site Scripting attacks.

Understanding CVE-2023-2899

This section delves into the nature and implications of CVE-2023-2899.

What is CVE-2023-2899?

CVE-2023-2899 is a Cross-Site Scripting (XSS) vulnerability found in the Google Map Shortcode WordPress plugin versions prior to 3.1.2. The plugin fails to properly validate and escape certain shortcode attributes, enabling contributors to carry out Stored XSS attacks. This could be particularly dangerous when targeting high-privileged users like admins.

The Impact of CVE-2023-2899

The exploitation of CVE-2023-2899 could lead to unauthorized script execution within the context of a user's session, potentially compromising sensitive data or performing malicious actions on behalf of the affected user. It poses a significant threat to the security and integrity of WordPress websites utilizing the vulnerable plugin.

Technical Details of CVE-2023-2899

Exploring the specific technical aspects of CVE-2023-2899 provides a deeper insight into the vulnerability.

Vulnerability Description

The vulnerability in the Google Map Shortcode plugin arises from inadequate validation and escaping of certain shortcode attributes, facilitating the execution of Stored Cross-Site Scripting attacks by users with limited privileges.

Affected Systems and Versions

The affected product is the Google Map Shortcode plugin, with versions up to and including 3.1.2. Users utilizing these versions are at risk of exploitation until appropriate security measures are implemented.

Exploitation Mechanism

By leveraging the vulnerability in the plugin, malicious users with contributor-level access can inject and execute arbitrary scripts within the web application context, potentially leading to unauthorized actions and data compromise.

Mitigation and Prevention

Mitigating the risks associated with CVE-2023-2899 requires immediate action and long-term security practices to safeguard WordPress sites using the Google Map Shortcode plugin.

Immediate Steps to Take

Update the Google Map Shortcode plugin to a secure version that addresses the XSS vulnerability.
Monitor user roles and permissions to restrict access based on the principle of least privilege.
Educate users about the risks associated with Cross-Site Scripting attacks and promote secure coding practices.

Long-Term Security Practices

Regularly audit plugins and themes for security vulnerabilities and apply timely updates.
Implement web application firewalls and security plugins to detect and prevent XSS attacks.
Conduct security assessments and penetration testing to identify and remediate potential weaknesses proactively.

Patching and Updates

WordPress site administrators should prioritize patching vulnerable plugins promptly to prevent exploitation. Regularly check for security updates provided by plugin developers and apply them as soon as they are available to maintain a secure web environment.