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OpenAdvisories
Medium · 6.5 CVE-2026-109368 EUVD-2026-103223GHSA-4x57-h4wj-759x

WP Booking System <= 2.1.0.3 - Missing Authorization to Authenticated (Subscriber+) Sensitive Information Exposure via wpbs_refresh_calendar_editor AJAX action

Published Oct 17, 2026 · Updated Oct 18, 2026 · Assigned by 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.

Affected products

VendorProductAffectedFixed
murgroland WP Booking System – Booking Calendar ≤ 2.1.0.3 —

References