Deserialization of Untrusted Data in IPharm

Executive Summary

This is a Deserialization of Untrusted Data vulnerability in the ThemeREX Group IPharm WordPress theme. It allows Object Injection, meaning attackers can inject malicious objects during deserialization, potentially leading to remote code execution or data manipulation. The flaw exists in versions up to 1.2.4.

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Detection Guidance

Check if the WordPress IPharm Theme version 1.2.4 or below is installed on your system. Look for signs of unusual server activity or unauthorized data manipulation. Use security plugins or tools to scan for PHP Object Injection attempts in web requests.

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Impact Analysis

Attackers can exploit this to manipulate site data, execute harmful actions on the server, or take control of the website. With a CVSS score of 9.8, it is highly dangerous and likely to be targeted in mass campaigns against 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. Unpatched systems risk exposing sensitive data, triggering compliance breaches.

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Mitigation Strategies

Apply the Patchstack mitigation rule to block attacks. Update the theme if an official patch becomes available. Contact your hosting provider or developer for assistance. Monitor your site for suspicious activity and restrict access to sensitive files.

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