CVE-2023-1913 : Security Advisory and Response

This CVE-2023-1913 details a vulnerability found in the Maps Widget for Google Maps plugin for WordPress, affecting versions up to and including 4.24. The vulnerability allows for Stored Cross-Site Scripting via widget settings due to insufficient input sanitization and output escaping. Authenticated attackers with administrator-level permissions or higher can inject arbitrary web scripts into pages, leading to potential execution when a user accesses the compromised page.

Understanding CVE-2023-1913

This section delves into the nature of CVE-2023-1913, its impact, technical details, and mitigation strategies.

What is CVE-2023-1913?

CVE-2023-1913 is a vulnerability in the Maps Widget for Google Maps plugin for WordPress that enables attackers to execute Stored Cross-Site Scripting attacks by injecting malicious scripts via widget settings. This poses a risk to WordPress sites utilizing the vulnerable plugin.

The Impact of CVE-2023-1913

The impact of CVE-2023-1913 includes the potential compromise of user data, unauthorized access to sensitive information, and the ability for attackers to execute arbitrary code within the context of the affected WordPress site.

Technical Details of CVE-2023-1913

This section outlines the specifics of the vulnerability, including how it can be exploited and which systems and versions are affected.

Vulnerability Description

The vulnerability in the Maps Widget for Google Maps plugin stems from inadequate input sanitization and output escaping in versions up to 4.24, allowing attackers to insert malicious web scripts into pages.

Affected Systems and Versions

The vulnerability affects multi-site installations and instances where unfiltered_html has been disabled, specifically in Maps Widget for Google Maps versions up to and including 4.24.

Exploitation Mechanism

Authenticated attackers with administrator-level permissions or higher can exploit this vulnerability by manipulating widget settings to inject harmful scripts, potentially leading to the execution of malicious code by unsuspecting users.

Mitigation and Prevention

In response to CVE-2023-1913, it is crucial to take immediate steps to mitigate the risk posed by the vulnerability and implement long-term security practices.

Immediate Steps to Take

Update the Maps Widget for Google Maps plugin to a patched version that addresses the vulnerability.
Monitor for any signs of unauthorized activity or unusual behavior on the affected WordPress site.

Long-Term Security Practices

Regularly update plugins and themes on WordPress sites to ensure that known vulnerabilities are promptly addressed.
Implement strict permissions and access controls to limit the impact of potential security breaches.

Patching and Updates

Stay informed about security advisories related to the Maps Widget for Google Maps plugin and apply patches or updates promptly to protect against known vulnerabilities.

By understanding the implications of CVE-2023-1913 and following best practices for securing WordPress sites, users can reduce the risk of falling victim to Stored Cross-Site Scripting attacks facilitated by this plugin vulnerability.