Auth bypass in Murgroland Wp Booking System – Calendar
CVE-2026-109368
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.
Vulnerability class: Broken Access Control
Published .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/164a276a-612f-416f-b9ef-1c2e6…
- plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.2/includes/base…
- plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.2/includes/base…
- plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.2/includes/base…
- plugins.trac.wordpress.org/browser/wp-booking-system/tags/2.1.0.2/includes/base…
- plugins.trac.wordpress.org/changeset
- plugins.trac.wordpress.org/changeset/3750120/wp-booking-system/trunk/includes/b…
Frequently asked questions
- What is CVE-2026-109368?
- CVE-2026-109368 is a medium-severity vulnerability in Murgroland Wp Booking System – Calendar, classified under Missing Authorization. CVSS score: 6.5/10. Published 2026-10-17.
- How severe is CVE-2026-109368?
- Medium severity. CVSS v3 base score is 6.5 out of 10.