Vulnerability · Published Oct 11, 2026 · Assigned by WPScan

CVE-2026-14854WooCommerce Bookings < 3.11.0 - Unauthenticated Denial of Service

High 7.5

In plain English

A high-severity uncontrolled resource consumption in WooCommerce Bookings from Unknown. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 27% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 72.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
Unknown WooCommerce Bookings 0 – before 3.11.0

Weakness: CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References