CVE-2025-12633 HIGH

CVE-2025-12633: Booking Calendar | Appointment Booking | Bookit <= 2.5.0 - Missing Authorization to Unauthenticated Stripe Connection

Vendor Stellarwp
Product Bookit — Booking & Appointment Calendar
Weakness CWE-862 · Missing authorization
Published November 12, 2025
Last update April 8, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

What the vulnerability does

01Description

The Booking Calendar | Appointment Booking | Bookit plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the '/wp-json/bookit/v1/commerce/stripe/return' REST API Endpoint in all versions up to, and including, 2.5.0. This makes it possible for unauthenticated attackers to connect their Stripe account and receive payments.

Explanation of Vulnerability in Simple Terms

02Summary

Bookit versions up to 2.5.0 lack proper authorization checks, allowing unauthenticated attackers to modify booking and appointment data. An attacker can change, create, or delete calendar entries without logging in or having permission. This affects all installations running the vulnerable version.

What an attacker can do

03Attacker Capabilities

Modify, create, or delete bookings and appointments without authentication.

Potential impact on your site

04Site Impact

Attackers can tamper with all booking data, disrupting appointments and potentially causing business operations to fail.

Conditions required to exploit

05Prerequisites

Network access to the Bookit installation; no authentication or user interaction required.

Key dates

06Disclosure timeline

November 12, 2025 CVE published
April 8, 2026 Record updated