Unauthenticated IDOR in Shiptastic for WooCommerce

Executive Summary

This vulnerability is an Unauthenticated Insecure Direct Object Reference (IDOR) in the Shiptastic for WooCommerce plugin versions up to and including 5.1.0. IDOR occurs when an application exposes direct references to internal objects, allowing attackers to manipulate these references to access unauthorized data without proper authentication.

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Detection Guidance

To detect this IDOR vulnerability in Shiptastic for WooCommerce <= 5.1.0, inspect HTTP requests and responses for direct object references in URLs or parameters. Look for predictable IDs or tokens that expose sensitive data without proper authorization checks. Manually test endpoints by modifying IDs in requests to see if unauthorized data is returned.

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Impact Analysis

An attacker could exploit this vulnerability to access sensitive data or perform unauthorized actions by manipulating object references. Since no authentication is required, any user with network access to the vulnerable system could potentially view or modify data they should not have permission to access.

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Compliance Impact

This vulnerability could lead to unauthorized access to personal or sensitive data, violating compliance requirements under regulations like GDPR and HIPAA. GDPR mandates strict protection of personal data, while HIPAA requires safeguards for protected health information. Exploitation could result in data breaches, leading to legal penalties and reputational damage.

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Mitigation Strategies

Immediately update Shiptastic for WooCommerce to the latest version to patch the vulnerability. If an update is unavailable, disable the plugin temporarily until a fix is released. Implement strict access controls to ensure authenticated users can only access permitted data. Monitor logs for suspicious activity related to object references.

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