CVE-2026-16536: medium-severity vulnerability in Simple Google Calendar Outlook Events Widget
Simple Google Calendar Outlook Events Widget < 3.1.0 - Unauthenticated SSRF via calendar_id
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
33Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 5.3epss 0.3%
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 request.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Affected products
Unknown · Simple Google Calendar Outlook Events Widgetpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/effa5549-ecfa-45ba-9044-7345d674c2ca/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.