Compliance Impact

CVE-2026-25327 is a broken access control vulnerability that allows unauthenticated users to perform actions reserved for higher-privileged users in the Five Star Restaurant Reservations plugin. Such missing authorization issues can lead to unauthorized access to sensitive data or functionality.

While the provided information does not explicitly mention compliance with standards like GDPR or HIPAA, broken access control vulnerabilities generally pose risks to data confidentiality and integrity, which are critical components of these regulations. Exploitation could potentially lead to unauthorized data exposure or modification, thereby impacting compliance.

Therefore, organizations using affected versions of this plugin should consider the vulnerability a risk to regulatory compliance and apply patches promptly to mitigate potential breaches.

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Executive Summary

This vulnerability is a Missing Authorization issue in the Rustaurius Five Star Restaurant Reservations system. It occurs due to incorrectly configured access control security levels, which means that the system does not properly verify whether a user has the necessary permissions to perform certain actions.

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Impact Analysis

Because of the missing authorization checks, unauthorized users might be able to access or manipulate reservation data or perform actions they should not be allowed to. This can lead to data breaches, unauthorized modifications, or other security issues within the restaurant reservation system.

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Detection Guidance

This vulnerability arises from missing authorization, authentication, or nonce token checks in certain functions of the Five Star Restaurant Reservations plugin, allowing unauthenticated users to perform privileged actions.

Detection would involve checking for unauthorized access attempts or unusual activity targeting the plugin's endpoints that should require higher privileges.

Specific commands or detection scripts are not provided in the available information.

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Mitigation Strategies

The primary mitigation step is to update the Five Star Restaurant Reservations plugin to version 2.7.10 or later, where the vulnerability has been patched.

Additionally, enabling auto-updates for vulnerable plugins can help ensure timely application of security fixes.

Since the vulnerability allows unauthenticated exploitation, restricting access to the plugin's endpoints via web application firewalls or other access control mechanisms may provide temporary protection until the update is applied.

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