CVE-2026-14854

High

Description

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.

SeverityHigh
CVSS7.5
Exploit probability—
ProductWooCommerce Bookings
PublishedOct 11, 2026
First seenOct 11, 2026

How to fix

Update
  • WooCommerce Bookings3.11.0 or later

Affected products

ProductAffected versionsFixed in
WooCommerce Bookingsv < 3.11.03.11.0

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.