{"id":"CVE-2026-54303","revision":"c4467251af15492ea41bf9cfbab37cd9","records":[{"revision":"c4467251af15492ea41bf9cfbab37cd9","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-54303","aliases":[],"title":"n8n: Reflected XSS via Facebook, WhatsApp, and Microsoft Teams Trigger Webhook Verification Endpoints","description":"n8n is an open source workflow automation platform. Prior to 2.24.0, an endpoint in the Meta and Microsoft Teams trigger nodes reflects a query parameter into the HTTP response without sanitization or Content-Security-Policy headers, enabling reflected XSS in the n8n origin when a logged-in user visits a crafted URL. This vulnerability is fixed in 2.24.0.","state":0,"publishedAt":"2026-06-23T15:32:06.963+00:00","modifiedAt":"2026-06-24T13:52:23.36+00:00","affected":[{"ecosystem":"Vendor product","name":"n8n","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n8n-io\",\n                    \"product\": \"n8n\",\n                    \"versions\": [\n                        {\n                            \"version\": \"< 2.24.0\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N","score":6.8,"severity":"MEDIUM"}],"references":["https://github.com/n8n-io/n8n/security/advisories/GHSA-h86q-fx34-gfjr"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-54303","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-54303","identifiers":["CVE-2026-54303"]},"retained":false,"historicalAffected":[]}],"coverage":[]}