Deserialization of Untrusted Data in SureCart

Executive Summary

This vulnerability is a PHP Object Injection flaw in the WordPress SureCart plugin versions 4.9.3 and earlier. It allows attackers to manipulate how the site processes data by injecting malicious objects, potentially leading to harmful actions on the server.

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Detection Guidance

Detecting this vulnerability requires checking the installed version of the SureCart plugin. Use the WordPress admin dashboard or run SQL queries on the database to verify the plugin version. If the version is 4.9.3 or earlier, the system is vulnerable. Patchstack also provides a mitigation rule to block attacks until the plugin is updated.

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Impact Analysis

An attacker could exploit this to execute arbitrary code on your server, leading to full system compromise. This may result in data theft, website defacement, or further malware infections. The high CVSS score (8.8) indicates significant risk.

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Compliance Impact

This vulnerability could lead to unauthorized data access or manipulation, which may violate GDPR's data integrity and confidentiality requirements or HIPAA's safeguards for protected health information. Exploitation might result in data breaches, triggering compliance violations and potential penalties under these regulations.

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Mitigation Strategies

Update the SureCart plugin to version 4.9.4 or later immediately to patch the vulnerability. Apply Patchstack's mitigation rule to block attacks until the update is completed.

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