Shop Manager PHP Object Injection in Kadence WooCommerce Email Designer

Executive Summary

This is a PHP Object Injection vulnerability in the Kadence WooCommerce Email Designer plugin for WordPress, affecting versions 1.5.19.1 and below. It allows attackers to manipulate data processing on the site to execute harmful actions on the server by injecting malicious PHP objects.

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Detection Guidance

Detecting this PHP Object Injection vulnerability requires checking for outdated versions of the Kadence WooCommerce Email Designer plugin. Inspect your WordPress installation for plugin versions 1.5.19.1 or below. Use commands like 'wp plugin list' in WP-CLI or check the plugin directory for version files. Monitor server logs for unusual data processing requests.

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Impact Analysis

Attackers could exploit this to execute arbitrary code on your server, potentially leading to full site compromise, data theft, or further attacks. The vulnerability could be used in mass campaigns targeting thousands of websites.

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Compliance Impact

This vulnerability could lead to unauthorized data access or manipulation, potentially violating GDPR's data integrity and confidentiality requirements or HIPAA's safeguards for protected health information if exploited.

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Mitigation Strategies

Update the Kadence WooCommerce Email Designer plugin to version 1.5.19.2 or later immediately. If unable to update, apply Patchstack's mitigation rule to block attacks until updating.

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