Unrated severityNVD Advisory· Published Aug 4, 2026· Updated Aug 4, 2026
Simple Google Calendar Outlook Events Widget < 3.1.0 - Unauthenticated SSRF via calendar_id
CVE-2026-16536
Description
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.
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Affected products
1- Range: <3.1.0
Patches
Vulnerability mechanics
References
1- wpscan.com/vulnerability/effa5549-ecfa-45ba-9044-7345d674c2ca/mitreexploitvdb-entrytechnical-description
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