Authorization Bypass in SimpleCalendar Google Calendar Events

Publication date: 2025-12-30

Last updated on: 2026-04-27

Assigner: Patchstack

Description

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.

CVSS Scores

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Meta Information

Published

2025-12-30

Last Modified

2026-04-27

Generated

2026-07-06

AI Q&A

2025-12-30

EPSS Evaluated

2026-07-05

NVD

CVE-2025-68979

Affected Vendors & Products

Vendor	Product	Version / Range
google	google_calendar_events	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-639	The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

Executive Summary

This vulnerability is an Authorization Bypass Through User-Controlled Key in the SimpleCalendar Google Calendar Events plugin. It allows attackers to exploit incorrectly configured access control security levels, potentially bypassing authorization mechanisms.

Impact Analysis

This vulnerability can allow unauthorized users to bypass access controls, potentially gaining access to restricted calendar events or data that they should not have permission to view or modify.

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