CVE-2026-14854: Unknown Woocommerce Bookings

High severity, CVSS 7.5. EPSS: 0.3% chance of exploitation in the next 30 days.

The WooCommerce Bookings WordPress plugin before 3.11.0 does not limit a user-supplied value before using it to allocate memory in one of its unauthenticated AJAX actions, allowing unauthenticated attackers to exhaust server memory and cause a Denial of Service with a single request.

Affected products

• Unknown Woocommerce Bookings: before 3.11.0 (fixed in 3.11.0)

Published 2026-10-11. Last modified 2026-10-13.