CVE-2026-109368 Details
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.
A vulnerability allowing sensitive information exposure has been identified in the WP Booking System – Booking Calendar plugin for WordPress, affecting all versions through 2.1.0.3. The issue arises from a lack of proper authorization in the 'wpbs_refresh_calendar_editor' AJAX action, which allows authenticated attackers with subscriber-level access and above to access private booking details, including descriptions and IDs, from any calendar on the site.
Users are advised to update the WP Booking System – Booking Calendar plugin to version 2.1.0.4 or later.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Oct 17, 2026CISA-ADP
Assessed Oct 18, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-862 | Missing Authorization | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| WP Booking System | <= 2.1.0.3 |
CPE
Remediation
| |
Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Oct 18, 2026 | CVE Modified | CISA-ADP |
| Oct 17, 2026 | New CVE Received | [email protected] |