Executive Summary

CVE-2026-40739 is a high-priority PHP Object Injection vulnerability found in the WordPress LuxeDrive Theme versions 1.4 and below. This vulnerability allows unauthenticated attackers to inject malicious PHP objects into the application.

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

Because no authentication is required, attackers can exploit this vulnerability remotely without any credentials.

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Impact Analysis

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

Given its high CVSS score of 8.1, exploitation is likely and can lead to significant compromise of affected websites using the LuxeDrive theme version 1.4 or below.

Attackers can leverage this vulnerability to take control of the website, steal sensitive information, or disrupt normal operations.

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Detection Guidance

The vulnerability affects the WordPress LuxeDrive Theme versions 1.4 and below and allows unauthenticated PHP Object Injection. Detection can involve monitoring for suspicious HTTP requests targeting the LuxeDrive theme that may attempt code injection, SQL injection, or path traversal.

While no specific detection commands are provided, network administrators can use web server logs or intrusion detection systems to look for unusual requests to the theme's PHP files or payloads indicative of object injection attempts.

Applying Patchstack's mitigation rule can also help in blocking attack attempts, which may assist in detection by logging blocked requests.

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Mitigation Strategies

Immediate mitigation steps include updating the LuxeDrive WordPress theme to version 1.5 or later, which contains the fix for this vulnerability.

Until the update can be applied, it is advised to implement the mitigation rule provided by Patchstack to block attack attempts targeting this vulnerability.

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Compliance Impact

The provided information does not specify how the PHP Object Injection vulnerability in LuxeDrive versions 1.4 and below directly affects compliance with common standards and regulations such as GDPR or HIPAA.

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