Compliance Impact

The vulnerability is a Missing Authorization issue causing Broken Access Control, allowing unauthenticated users to perform privileged actions. Such unauthorized access can lead to exposure or manipulation of sensitive data.

This type of security flaw can negatively impact compliance with common standards and regulations like GDPR and HIPAA, which require strict access controls to protect personal and sensitive information.

Failure to enforce proper authorization may result in unauthorized data access or modification, potentially leading to data breaches and non-compliance with regulatory requirements.

Useful 0 Not Useful 0

Executive Summary

CVE-2026-42675 is a Missing Authorization vulnerability in the WordPress Hydra Booking Plugin (version 1.1.41 and below). It is a Broken Access Control issue that allows unauthenticated users to perform privileged actions because the plugin lacks proper authorization checks.

This means attackers can exploit incorrectly configured access control security levels to gain unauthorized access or perform actions they should not be allowed to do.

Useful 0 Not Useful 0

Impact Analysis

This vulnerability can have a significant impact as it allows attackers to perform privileged actions without authentication. This could lead to unauthorized changes, data exposure, or disruption of services on websites using the affected plugin.

Because the vulnerability is actively exploitable and could be used in mass-exploit campaigns targeting thousands of websites, it poses a high risk to affected users.

Users are strongly advised to update to version 1.1.42 or later to mitigate this risk.

Useful 0 Not Useful 0

Detection Guidance

This vulnerability allows unauthenticated users to perform privileged actions due to missing authorization checks in the WordPress Hydra Booking Plugin versions 1.1.41 and below.

Detection can involve monitoring for unusual or unauthorized access attempts to the plugin's endpoints or actions that should require authentication.

Since the vulnerability is related to broken access control, you can look for HTTP requests to the plugin's URLs that perform privileged actions without valid authentication tokens or cookies.

Specific commands are not provided in the available resources, but general approaches include:

• Using web server logs to search for suspicious requests to Hydra Booking plugin endpoints.
• Employing tools like curl or wget to test access to plugin functions without authentication.
• Using intrusion detection systems or web application firewalls with rules targeting this vulnerability.

Useful 0 Not Useful 0

Mitigation Strategies

The immediate recommended step is to update the WordPress Hydra Booking Plugin to version 1.1.42 or later, where this vulnerability is patched.

If updating immediately is not possible, applying an automated mitigation rule provided by Patchstack to block attacks targeting this vulnerability is advised.

Additionally, users should consider contacting their hosting provider or developer for assistance in applying mitigations or updates.

Useful 0 Not Useful 0