CVE-2025-64261 MEDIUM

CVE-2025-64261: WordPress Appointment Booking Calendar plugin <= 1.3.95 - Broken Access Control vulnerability

Vendor Codepeople
Product Appointment Booking Calendar
Weakness CWE-862 · Missing authorization
Published November 13, 2025
Last update April 28, 2026
View on NVD All CVEs

CVSS base score

5.4/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality None
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

Missing Authorization vulnerability in codepeople Appointment Booking Calendar appointment-booking-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Appointment Booking Calendar: from n/a through <= 1.3.95.

Explanation of Vulnerability in Simple Terms

02Summary

Appointment Booking Calendar versions 1.3.95 and earlier lack proper authorization checks, allowing authenticated users to modify or delete appointment data they should not have access to. An attacker with a low-privilege account can alter booking records or disable availability without administrative approval. This affects the integrity and availability of appointment scheduling for site owners.

What an attacker can do

03Attacker Capabilities

Modify or delete appointment records belonging to other users or administrators.

Potential impact on your site

04Site Impact

Appointment data can be corrupted or deleted by unauthorized users, disrupting booking operations.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site; no special interaction required.

Key dates

06Disclosure timeline

November 13, 2025 CVE published
April 28, 2026 Record updated