CVE-2026-16536 Simple Google Calendar Outlook Events Widget < 3.1.0 - Unauthenticated SSRF via calendar_id

The Simple Google Calendar Outlook Events Widget WordPress plugin before 3.1.0 does not validate a user-supplied URL before performing a server-side request, allowing unauthenticated attackers to perform Server-Side Request Forgery attacks and, in some cases, read the response of the internal...