{"id":"CVE-2026-16536","aliases":["EUVD-2026-52580","GHSA-ff6j-mvmc-7fp8"],"status":"published","title":"Simple Google Calendar Outlook Events Widget \u003c 3.1.0 - Unauthenticated SSRF via calendar_id","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.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00323,"percentile":0.25612,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2026-08-04T06:00:08Z","modified":"2026-08-26T16:31:16Z","products":[{"vendor":"unknown","product":"simple google calendar outlook events widget"}],"references":[{"url":"https://wpscan.com/vulnerability/effa5549-ecfa-45ba-9044-7345d674c2ca/","tags":["exploit","vdb-entry","technical-description"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-16536"},{"url":"https://wpscan.com/vulnerability/effa5549-ecfa-45ba-9044-7345d674c2ca"},{"url":"https://github.com/advisories/GHSA-ff6j-mvmc-7fp8"}],"sources":{"cve":[{"id":"CVE-2026-16536","title":"Simple Google Calendar Outlook Events Widget \u003c 3.1.0 - Unauthenticated SSRF via calendar_id","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.","status":"published","published":"2026-08-04T06:00:08.977Z","modified":"2026-08-04T14:37:05.229Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:20:10.870108Z"}],"euvd":[{"id":"EUVD-2026-52580","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.","status":"published","published":"2026-08-04T06:00:08Z","modified":"2026-08-04T14:37:05Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T18:02:23.332335Z"}],"ghsa":[{"id":"GHSA-ff6j-mvmc-7fp8","title":"The Simple Google Calendar Outlook Events Widget WordPress plugin before 3.1.0 does not validate...","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.","status":"published","published":"2026-08-04T09:31:35Z","modified":"2026-08-04T15:33:26Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T15:10:05.423688Z"}],"nvd":[{"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.","status":"published","published":"2026-08-04T07:16:30.257Z","modified":"2026-08-26T16:31:16.753Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:12:34.643497Z"}]}}