CVE-2025-67592 MEDIUM

CVE-2025-67592: WordPress My Calendar plugin <= 3.6.16 - Broken Access Control vulnerability

Vendor Joe Dolson
Product My Calendar
Weakness CWE-862 · Missing authorization
Published December 9, 2025
Last update April 28, 2026

CVSS base score

4.3/10
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:N

What the vulnerability does

01Description

Missing Authorization vulnerability in Joe Dolson My Calendar my-calendar allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects My Calendar: from n/a through <= 3.6.16.

Explanation of Vulnerability in Simple Terms

02Summary

My Calendar versions 3.6.16 and earlier lack proper authorization checks, allowing authenticated users with low privileges to modify calendar data they should not have access to. The vulnerability requires a valid user account but no special interaction. Integrity of calendar events and settings can be compromised by unauthorized modification.

What an attacker can do

03Attacker Capabilities

Modify calendar events and settings without proper authorization.

Potential impact on your site

04Site Impact

Unauthorized users can alter or corrupt calendar content, affecting event accuracy and site reliability.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege user account on the site.

Key dates

06Disclosure timeline

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