What is CVE-2025-68979?

CVE-2025-68979 is a medium-severity vulnerability in Simplecalendar Google Calendar Events, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2025-12-30.

How severe is CVE-2025-68979?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in Simplecalendar Google Calendar Events

CVE-2025-68979

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.

Vulnerability class: IDOR (Insecure Direct Object Reference)

EPSS: 0.002 (16.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Simplecalendar Google Calendar Events — versions 0

Weakness classification (CWE)

CWE-639 — Authorization Bypass Through User-Controlled Key

References

audit@patchstack.com (vdb-entry)

Frequently asked questions

What is CVE-2025-68979?: CVE-2025-68979 is a medium-severity vulnerability in Simplecalendar Google Calendar Events, classified under Authorization Bypass Through User-Controlled Key. CVSS score: 5.3/10. Published 2025-12-30.
How severe is CVE-2025-68979?: Medium severity. CVSS v3 base score is 5.3 out of 10.