CVE-2026-14854CWE-400denial-of-service

CVE-2026-14854

High · published October 11, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
26.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00338 · 26.0th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-10-11T11:17Z
References (1)
https://wpscan.com/vulnerability/7b6aeaed-7600-4cf9-ba43-8a6fefb1a244/ · [email protected]
EPSS history
Timeline
  • 12 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 11 OCT 06:00Z
    WooCommerce Bookings < 3.11.0 - Unauthenticated Denial of Service
    cvelistv5
  • 11 OCT 06:00Z
    WooCommerce Bookings < 3.11.0 - Unauthenticated Denial of Service
    cvelistv5