Unauthenticated PHP Object Injection in Kicker

Executive Summary

This is an unauthenticated PHP Object Injection vulnerability in the Kicker WordPress theme versions 2.2.1 or lower. It allows attackers to inject malicious PHP objects into the application without authentication, potentially leading to remote code execution or other harmful actions on the server.

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Detection Guidance

Detecting this vulnerability requires checking if the Kicker theme version 2.2.1 or lower is installed on your WordPress site. Inspect the theme's version in the WordPress admin panel or via file system checks. No specific commands are provided in the context, but monitoring for unusual server behavior or unauthorized actions may indicate exploitation.

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Impact Analysis

This vulnerability can allow attackers to take full control of your website, steal sensitive data, deface content, or use your server for malicious activities. Since it requires no authentication, it is highly dangerous and could be exploited in mass attacks targeting thousands of websites.

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Compliance Impact

This vulnerability could lead to data breaches, exposing user data and violating compliance requirements under GDPR, HIPAA, or other regulations. Failure to address it may result in legal penalties, reputational damage, and loss of trust due to unauthorized data access or disclosure.

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Mitigation Strategies

Immediately apply the mitigation rule provided by Patchstack to block attacks. Update the Kicker theme to the latest version if available. If no patch exists, seek assistance from a hosting provider or developer to implement temporary fixes. Disable the theme if not essential until resolved.

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