CVE-2026-109368
Medium
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.
SeverityMedium
CVSS6.5
Exploit probability—
ProductWP Booking System – Booking Calendar
PublishedOct 17, 2026
First seenOct 17, 2026
Weakness typeCWE-862Missing authorization
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| murgroland WP Booking System – Booking Calendar | v ≤ 2.1.0.3 | — |
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