CVE-2025-68979 MEDIUM

CVE-2025-68979: WordPress Google Calendar Events plugin <= 3.5.9 - Insecure Direct Object References (IDOR) vulnerability

Vendor Simplecalendar
Product Google Calendar Events
Weakness CWE-639 · IDOR
Published December 30, 2025
Last update April 28, 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 Low
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Authorization Bypass Through User-Controlled Key vulnerability in SimpleCalendar Google Calendar Events google-calendar-events allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Google Calendar Events: from n/a through <= 3.5.9.

Explanation of Vulnerability in Simple Terms

02Summary

SimpleCalendar's Google Calendar Events plugin versions 3.5.9 and earlier contain an information disclosure vulnerability. An attacker on the network can read sensitive calendar data without authentication. The vulnerability requires no user interaction and affects the confidentiality of calendar information stored or displayed by the plugin.

What an attacker can do

03Attacker Capabilities

Read sensitive calendar event data without logging in.

Potential impact on your site

04Site Impact

Visitors or attackers can view private calendar events exposed by this plugin.

Conditions required to exploit

05Prerequisites

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

Key dates

06Disclosure timeline

December 30, 2025 CVE published
April 28, 2026 Record updated