CVE-2026-1932 MEDIUM

CVE-2026-1932: Appointment Booking Calendar Plugin <= 1.0.2 - Missing Authorization to Unauthenticated Arbitrary Appointment Status Modification

Vendor Bssoftware
Product Appointment Booking Calendar Plugin – Bookr
Weakness CWE-862 · Missing authorization
Published February 14, 2026
Last update April 8, 2026
View on NVD All CVEs

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

The Appointment Booking Calendar Plugin – Bookr plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the update-appointment REST API endpoint in all versions up to, and including, 1.0.2. This makes it possible for unauthenticated attackers to modify the status of any appointment.

Explanation of Vulnerability in Simple Terms

02Summary

The Bookr appointment booking plugin for WordPress contains a missing authorization check that allows unauthenticated attackers to modify booking data. An attacker can send a network request to alter appointment information without needing valid credentials or user interaction. This affects versions 1.0.2 and earlier. Site administrators should update to a version newer than 1.0.2 as soon as possible.

What an attacker can do

03Attacker Capabilities

Modify appointment booking data without authentication.

Potential impact on your site

04Site Impact

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

Conditions required to exploit

05Prerequisites

Network access only; no authentication or user interaction required.

Key dates

06Disclosure timeline

February 14, 2026 CVE published
April 8, 2026 Record updated