CVE-2025-4669: Wpbookingcalendar Wp Booking Calendar

Medium severity, CVSS 5.4. EPSS: 0.3% chance of exploitation in the next 30 days.

The WP Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's wpbc shortcode in all versions up to, and including, 10.11.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Wpbookingcalendar Wp Booking Calendar: up to and including 10.11.1

Published 2025-05-17. Last modified 2026-06-17.