CVE-2023-0153 : Security Advisory and Response

This CVE, assigned by WPScan, pertains to the "Vimeo Video Autoplay Automute <= 1.0 - Contributor+ Stored XSS" vulnerability. It was published on February 6, 2023.

Understanding CVE-2023-0153

This section will delve into the details of CVE-2023-0153 and its implications.

What is CVE-2023-0153?

CVE-2023-0153 involves a vulnerability in the Vimeo Video Autoplay Automute WordPress plugin version 1.0 and below. It stems from the plugin's failure to properly validate and escape certain shortcode attributes, enabling users with contributor-level access or higher to execute Stored Cross-Site Scripting attacks.

The Impact of CVE-2023-0153

The impact of this vulnerability is significant as it allows malicious contributors or higher-level users to inject and execute malicious scripts on pages or posts where the affected shortcodes are embedded. This could lead to the unauthorized disclosure of sensitive information, unauthorized actions on behalf of users, or complete site takeover.

Technical Details of CVE-2023-0153

To understand how to mitigate the risks posed by CVE-2023-0153, it is crucial to grasp the technical aspects of the vulnerability.

Vulnerability Description

The vulnerability arises from the lack of proper validation and escaping mechanisms for specific shortcode attributes in the Vimeo Video Autoplay Automute WordPress plugin version 1.0 and earlier. This oversight enables malicious contributors and above to execute Stored Cross-Site Scripting attacks.

Affected Systems and Versions

The affected system is the WordPress plugin "Vimeo Video Autoplay Automute" with versions up to and including 1.0. Users utilizing this specific plugin version are at risk of exploitation through Stored XSS attacks.

Exploitation Mechanism

By exploiting the vulnerability in the plugin, attackers with contributor-level access or higher can insert malicious scripts into the affected shortcode attributes. When these manipulated shortcodes are displayed on a webpage or post, the scripts get executed within the context of the user viewing the page, leading to potential security breaches.

Mitigation and Prevention

It is imperative to take immediate action to mitigate the risks associated with CVE-2023-0153. Implementing the following steps can enhance security posture and protect systems from potential exploits.

Immediate Steps to Take

Disable or uninstall the vulnerable version (1.0 and below) of the Vimeo Video Autoplay Automute plugin.
Regularly monitor for any suspicious activity or unauthorized changes within the WordPress environment.

Long-Term Security Practices

Stay informed about security updates and patches released by plugin developers.
Conduct regular security audits and scans to identify and address any vulnerabilities proactively.

Patching and Updates

Ensure that you update the Vimeo Video Autoplay Automute plugin to the latest version provided by the developer. It is crucial to apply patches promptly to eliminate the vulnerability and enhance the security of your WordPress site.