CVE-2025-67559 MEDIUM

CVE-2025-67559: WordPress Online Booking & Scheduling Calendar for WordPress by vcita plugin <= 4.5.5 - Broken Access Control vulnerability

Vendor Vcita
Product Online Booking & Scheduling Calendar for WordPress by vcita
Weakness CWE-862 · Missing authorization
Published December 9, 2025
Last update April 28, 2026

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 vcita Online Booking & Scheduling Calendar for WordPress by vcita meeting-scheduler-by-vcita allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Online Booking & Scheduling Calendar for WordPress by vcita: from n/a through <= 4.5.5.

Explanation of Vulnerability in Simple Terms

02Summary

The vcita Online Booking & Scheduling Calendar plugin for WordPress versions 4.5.5 and earlier lacks proper authorization checks. A logged-in user with low privileges can modify or delete booking data and calendar settings without proper permission validation. The vulnerability does not expose sensitive information but allows unauthorized changes to site functionality.

What an attacker can do

03Attacker Capabilities

Modify or delete booking data and calendar settings without proper authorization.

Potential impact on your site

04Site Impact

Booking data and calendar configurations can be altered or deleted by unauthorized users, disrupting scheduling operations.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege WordPress user account (e.g., subscriber or contributor role).

Key dates

06Disclosure timeline

December 9, 2025 CVE published
April 28, 2026 Record updated