CVE-2026-109368: CWE-862 Missing Authorization in murgroland WP Booking System – Booking Calendar
Description
The WP Booking System – Booking Calendar WordPress plugin up to version 2.1.0.3 contains a vulnerability that allows authenticated users with subscriber-level access or higher to access sensitive booking information. This flaw involves missing authorization checks on the 'id' parameter, enabling exposure of private per-event booking descriptions and booking IDs.
CVSS v3.1
Score 6.5medium
Affected software
murgroland
WP Booking System – Booking Calendar
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-109368 is a missing authorization vulnerability (CWE-862) in the WP Booking System – Booking Calendar plugin for WordPress. Versions up to and including 2.1.0.3 are affected. The vulnerability allows authenticated attackers with subscriber-level privileges or above to exploit the 'id' parameter to retrieve sensitive booking details from any calendar on the site. The CVSS 3.1 base score is 6.5, reflecting a medium severity with high confidentiality impact but no integrity or availability impact. There is no indication of active exploitation in the wild or available patches at this time.
Potential Impact
An attacker with subscriber-level access can extract private booking descriptions and booking IDs from any calendar managed by the vulnerable WordPress site. This leads to sensitive information exposure but does not affect data integrity or availability.
Mitigation Recommendations
No patch or official fix is currently documented. Users should monitor the vendor's advisories for updates. Until a fix is available, restrict subscriber-level access where possible and consider additional access controls or plugin alternatives to mitigate sensitive data exposure.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Wordfence
- Date Reserved
- 2026-10-12T14:22:00.629Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad2f3b02cdf04f656deaea7
Added to database: 10/17/2026, 04:04:00 UTC
Last enriched: 10/17/2026, 04:19:07 UTC
Last updated: 10/17/2026, 19:02:55 UTC
Views: 7
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