CVE-2026-16536
Simple Google Calendar Outlook Events Widget < 3.1.0 - Unauthenticated SSRF via calendar_id
- State
- Published
- Severity
- 5.3 Medium
- Published
- Aug 4, 2026
- Updated
- Aug 4, 2026
- Reserved
- Jul 22, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-918 Server-Side Request Forgery (SSRF)
Affected Products
| Product | Versions |
|---|---|
Simple Google Calendar Outlook Events WidgetUnknown |
|
References
- https://wpscan.com/vulnerability/effa5549-ecfa-45ba-9044-7345d674c2ca/exploitvdb-entrytechnical-description
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