Executive Summary

CVE-2026-56031 is a high-priority PHP Object Injection vulnerability found in the WordPress Uncanny Automator Plugin versions 7.3.1.2 and below.

This flaw allows unauthenticated attackers—meaning they do not need to be logged in or have prior access—to inject malicious PHP objects.

Exploitation of this vulnerability can lead to various attacks such as code injection, SQL injection, path traversal, denial of service, and other malicious activities if a suitable POP (Property Oriented Programming) chain exists.

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Compliance Impact

The vulnerability in the Uncanny Automator Plugin allows unauthenticated attackers to perform code injection, SQL injection, path traversal, denial of service, and other malicious activities. Such exploitation could lead to unauthorized access, data breaches, or disruption of services.

These risks can impact compliance with common standards and regulations like GDPR and HIPAA, which require protection of personal and sensitive data, maintaining data integrity, and ensuring availability of services. A successful attack exploiting this vulnerability could result in violations of these requirements.

Therefore, organizations using affected versions of the plugin must promptly update or mitigate the vulnerability to maintain compliance and reduce the risk of regulatory penalties.

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Impact Analysis

This vulnerability can have severe impacts including unauthorized code execution, data breaches through SQL injection, unauthorized file system access via path traversal, and service disruption through denial of service attacks.

Because the vulnerability is unauthenticated, attackers can exploit it remotely without any prior access, increasing the risk of widespread attacks.

If exploited, it could compromise the confidentiality, integrity, and availability of your website and its data.

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Detection Guidance

The vulnerability affects WordPress sites running the Uncanny Automator Plugin version 7.3.1.2 or below. Detection involves identifying if this vulnerable plugin version is installed.

• Check the installed plugin version in your WordPress admin dashboard under Plugins.
• Use WP-CLI to list plugin versions: wp plugin list | grep uncanny-automator
• Scan web server logs or network traffic for suspicious unauthenticated requests targeting the Uncanny Automator plugin endpoints, which might indicate exploitation attempts.
• Use vulnerability scanners or Patchstack tools that can automatically detect this specific PHP Object Injection vulnerability.

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Mitigation Strategies

Immediate mitigation involves updating the Uncanny Automator plugin to version 7.3.1.3 or later, which contains the fix for this PHP Object Injection vulnerability.

If updating immediately is not possible, apply the mitigation rule provided by Patchstack to block exploitation attempts.

Additionally, monitor your systems for suspicious activity and consider using security tools that can automatically protect against this vulnerability.

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