{"id":"EUVD-2026-38754","enisaUuid":"60ff58a3-600b-3b6c-a41a-9337801aa7ec","description":"n8n before 1.123.25 (1.x) and before 2.11.2 (2.x), with the fix also included in 2.12.0, contains a stored cross-site scripting vulnerability in the Form Trigger node\u0027s CSS sanitization that allows authenticated users to inject malicious scripts. Attackers with workflow creation permissions can inject XSS payloads that execute persistently for all form visitors, enabling form hijacking and phishing attacks.","datePublished":"Jun 24, 2026, 11:53:19 AM","dateUpdated":"Oct 29, 2026, 9:15:47 PM","baseScore":5.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-q4fm-pjq6-m63g\nhttps://www.vulncheck.com/advisories/n8n-stored-cross-site-scripting-in-form-trigger-node\n","aliases":"CVE-2026-56358\n","assigner":"VulnCheck","epss":0.24,"enisaIdProduct":[{"id":"30f3a543-a0b8-3141-9f9b-535ad87d049b","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"0 \u003c1.123.25"},{"id":"e2410d57-2c2b-32e2-a3f0-d2f8a0a736c5","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.0.0-rc.0 \u003c2.11.2"}],"enisaIdVendor":[{"id":"e23e683a-8de7-38fe-a208-cd404eeead62","vendor":{"name":"n8n"}}],"enisaIdVulnerability":[{"id":"2acd4173-9003-3883-9e21-8920591bd871","vulnerability":{"id":"CVE-2026-56358","description":"n8n before 1.123.25 (1.x) and before 2.11.2 (2.x), with the fix also included in 2.12.0, contains a stored cross-site scripting vulnerability in the Form Trigger node\u0027s CSS sanitization that allows authenticated users to inject malicious scripts. Attackers with workflow creation permissions can inject XSS payloads that execute persistently for all form visitors, enabling form hijacking and phishing attacks.","datePublished":"Jun 24, 2026, 11:53:19 AM","dateUpdated":"Oct 29, 2026, 9:15:47 PM","status":"PUBLISHED","baseScore":5.1,"baseScoreVersion":"4.0","baseScoreVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N","references":"https://github.com/n8n-io/n8n/security/advisories/GHSA-q4fm-pjq6-m63g\nhttps://www.vulncheck.com/advisories/n8n-stored-cross-site-scripting-in-form-trigger-node\n","enisa_id":"EUVD-2026-38754\n","assigner":"VulnCheck","epss":0.24,"dataProcessed":"Nov 1, 2026, 7:17:53 AM","vulnerabilityProduct":[{"id":"b62d0f53-d388-39ad-bbdc-8e3b03af4358","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"2.0.0-rc.0 \u003c2.11.2"},{"id":"de07ce00-2429-3021-a842-631d426eb5fd","product":{"name":"n8n","vendor":{"name":"n8n-io"}},"product_version":"0 \u003c1.123.25"}],"vulnerabilityVendor":[{"id":"5bddff1f-e654-32aa-a939-680a35dcab23","vendor":{"name":"n8n"}}]}}],"enisaIdAdvisory":[]}