CVE-2023-4887 : Vulnerability Insights and Analysis

This CVE-2023-4887 involves a vulnerability found in the Google Maps Plugin by Intergeo for WordPress plugin, making it susceptible to Stored Cross-Site Scripting. Authenticated attackers with contributor-level and above permissions can exploit this flaw to inject arbitrary web scripts into pages, leading to potential execution whenever a user accesses the injected page.

Understanding CVE-2023-4887

This section will delve into the details and impacts associated with CVE-2023-4887.

What is CVE-2023-4887?

CVE-2023-4887 highlights a Stored Cross-Site Scripting vulnerability present in versions up to and including 2.3.2 of the Google Maps Plugin by Intergeo for WordPress plugin. The issue arises due to inadequate input sanitization and output escaping on user-supplied attributes, enabling attackers to insert malicious scripts into affected pages.

The Impact of CVE-2023-4887

The impact of this vulnerability is significant, as it allows attackers to execute arbitrary web scripts within the context of the affected WordPress site. With the ability to inject and execute malicious code, attackers can compromise user data, deface websites, or launch further attacks on unsuspecting visitors.

Technical Details of CVE-2023-4887

In this section, we will explore the technical aspects of CVE-2023-4887, including vulnerability description, affected systems, and exploitation mechanisms.

Vulnerability Description

The vulnerability stems from a lack of proper input sanitization and output escaping in the 'intergeo' shortcode of the Google Maps Plugin by Intergeo for WordPress plugin. This oversight enables attackers to embed malicious scripts that are executed when a user accesses the compromised pages.

Affected Systems and Versions

Versions up to and including 2.3.2 of the Google Maps Plugin by Intergeo for WordPress plugin are affected by CVE-2023-4887. Users utilizing these versions are at risk of falling victim to Stored Cross-Site Scripting attacks.

Exploitation Mechanism

Authenticated attackers with contributor-level and above permissions can exploit this vulnerability by leveraging the 'intergeo' shortcode to inject malicious scripts into user-accessible pages. Once injected, these scripts can execute whenever a user interacts with the compromised content.

Mitigation and Prevention

To protect systems and mitigate the risks associated with CVE-2023-4887, certain measures need to be taken to ensure the security of WordPress installations using the affected plugin.

Immediate Steps to Take

Update the Google Maps Plugin by Intergeo to a non-vulnerable version to prevent exploitation of the Stored Cross-Site Scripting vulnerability.
Monitor and review user-supplied content and attributes for any signs of malicious input.

Long-Term Security Practices

Regularly audit and review WordPress plugins for security vulnerabilities and ensure timely updates are applied.
Educate users and administrators on safe practices for handling user-generated content to prevent script injections.

Patching and Updates

Stay informed about security advisories and updates released by plugin developers. Promptly apply patches and updates to eliminate known vulnerabilities and strengthen the security posture of the WordPress environment.