CVE-2023-4620: Wpbookingcalendar Booking Calendar

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

The Booking Calendar WordPress plugin before 9.7.3.1 does not sanitize and escape some of its booking from data, allowing unauthenticated users to perform Stored Cross-Site Scripting attacks against administrators

Affected products

• Wpbookingcalendar Booking Calendar: before 9.7.3.1 (fixed in 9.7.3.1)

Published 2023-10-16. Last modified 2026-06-17.