CVE-2026-109368
Received Received - Intake

Sensitive Information Exposure in WP Booking System – Booking Calendar

Publication date: 2026-10-17

Last updated on: 2026-10-17

Assigner: Wordfence

Description
The WP Booking System – Booking Calendar plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.1.0.3 via the 'id' parameter. This makes it possible for authenticated attackers, with subscriber-level access and above, to extract private per-event booking descriptions and booking IDs from any calendar managed by the site.

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Meta Information

Published
2026-10-17
Last Modified
2026-10-17
Generated
2026-10-17
AI Q&A
2026-10-17
EPSS Evaluated
N/A
NVD
CVE-2026-109368
EUVD
EUVD-2026-103223

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
murgroland WP Booking System – Booking Calendar 0

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-862 The product does not perform an authorization check when an actor attempts to access a resource or perform an action.

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Executive Summary

This vulnerability is a Sensitive Information Exposure in the WP Booking System – Booking Calendar plugin for WordPress. It affects versions up to and including 2.1.0.3. The flaw allows authenticated attackers with subscriber-level access or higher to extract private booking descriptions and IDs from any calendar on the site by exploiting the 'id' parameter.

Detection Guidance

Check WordPress sites running the WP Booking System – Booking Calendar plugin versions up to 2.1.0.3. Look for unauthorized access to booking data via the 'id' parameter in requests. Monitor logs for unusual subscriber-level access to sensitive booking information.

Impact Analysis

An attacker could access private booking details, including descriptions and IDs, which may contain sensitive information. This could lead to privacy breaches, data leaks, or unauthorized access to confidential booking data if the plugin is used on a WordPress site.

Compliance Impact

This vulnerability could lead to non-compliance with GDPR or HIPAA if it results in unauthorized access to personal or protected health information. Organizations may face legal penalties, fines, or reputational damage due to data exposure.

Mitigation Strategies
  • Update the WP Booking System – Booking Calendar plugin to the latest version beyond 2.1.0.3.
  • Restrict subscriber-level access to only necessary users.
  • Review server logs for suspicious activity related to booking data access.

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