Unauthenticated PHP Object Injection in Wine House

Executive Summary

This is an unauthenticated PHP Object Injection vulnerability in the Wine House WordPress theme versions 3.20 and below. It allows attackers to inject malicious PHP objects into the application without authentication, potentially leading to remote code execution or other harmful server-side actions.

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Detection Guidance

Detecting this vulnerability requires checking for the presence of the Wine House WordPress theme version 3.20 or below. Inspect your WordPress installation for the theme folder in /wp-content/themes/wine-house/. Verify the version in the style.css file or via the WordPress admin panel.

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Impact Analysis

An attacker could exploit this to take full control of your website, steal sensitive data, deface content, or use your server for malicious activities. Since no authentication is required, any unpatched site is at immediate risk of compromise.

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Compliance Impact

This vulnerability could lead to data breaches, exposing personal or health data. Non-compliance with GDPR or HIPAA may result in legal penalties, fines, or reputational damage due to unauthorized data access or loss.

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Mitigation Strategies

Immediately apply Patchstack's mitigation rule to block attacks. Consider temporarily disabling the Wine House theme if not in use. Contact your hosting provider or developer for assistance. Monitor for suspicious activity and update the theme once an official patch is released.

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