CVE-2026-57778 MEDIUM

CVE-2026-57778: WordPress Booking calendar, Appointment Booking System plugin <= 3.2.36 - Broken Access Control vulnerability

Vendor Wpdevart
Product Booking calendar, Appointment Booking System
Weakness CWE-862 · Missing authorization
Published July 13, 2026
Last update July 13, 2026

CVSS base score

5.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in wpdevart Booking calendar, Appointment Booking System booking-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Booking calendar, Appointment Booking System: from n/a through <= 3.2.36.

Explanation of Vulnerability in Simple Terms

02Summary

The Booking Calendar plugin for WordPress contains an authorization bypass that allows unauthenticated attackers to modify booking data. The vulnerability stems from missing permission checks on certain API endpoints. An attacker can alter appointment records without authentication, potentially disrupting bookings or manipulating scheduling information.

What an attacker can do

03Attacker Capabilities

Modify or tamper with booking and appointment records without logging in.

Potential impact on your site

04Site Impact

Attackers can alter or corrupt appointment data, disrupting your booking system and customer trust.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

July 13, 2026 CVE published

Related vulnerabilities

08Related CVE