{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-56354", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-20T18:13:07.364Z", "datePublished": "2026-07-10T13:57:57.614Z", "dateUpdated": "2026-07-10T13:57:57.614Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-07-10T13:57:57.614Z"}, "datePublic": "2026-03-25T00:00:00.000Z", "title": "n8n - Cross-Site Scripting and Open Redirect in Form Node", "descriptions": [{"lang": "en", "value": "n8n before 1.123.24, 2.10.4, and 2.12.0 (across its 1.x and 2.x branches) contains cross-site scripting and open redirect vulnerabilities in the Form Node due to unsanitized HTML description fields and overly permissive iframe sandbox policies. Authenticated users with workflow creation permissions can inject malicious scripts or redirect parameters to perform stored XSS attacks or phishing redirects against end users."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "affected": [{"vendor": "n8n", "product": "n8n", "defaultStatus": "unaffected", "packageURL": "pkg:npm/n8n", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.123.24"}, {"version": "1.123.24", "status": "unaffected", "versionType": "semver"}, {"version": "2.0.0-rc.0", "status": "affected", "versionType": "semver", "lessThan": "2.10.4"}, {"version": "2.10.4", "status": "unaffected", "versionType": "semver"}, {"version": "2.11.0", "status": "affected", "versionType": "semver", "lessThan": "2.12.0"}, {"version": "2.12.0", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "n8n", "product": "n8n", "defaultStatus": "unaffected", "packageURL": "pkg:npm/n8n", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "2.10.4"}, {"version": "2.10.4", "status": "unaffected", "versionType": "semver"}]}, {"vendor": "n8n", "product": "n8n", "defaultStatus": "unaffected", "packageURL": "pkg:npm/n8n", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "1.123.24"}, {"version": "1.123.24", "status": "unaffected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*", "versionEndExcluding": "1.123.24"}, {"vulnerable": true, "criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "2.0.0-rc.0", "versionEndExcluding": "2.10.4"}, {"vulnerable": true, "criteria": "cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:*", "versionStartIncluding": "2.11.0", "versionEndExcluding": "2.12.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 5.1, "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:L/A:N", "version": "3.1"}, "format": "CVSS"}], "references": [{"url": "https://github.com/n8n-io/n8n/security/advisories/GHSA-w673-8fjw-457c", "name": "GitHub Security Advisory (GHSA-w673-8fjw-457c)", "tags": ["vendor-advisory"]}, {"name": "VulnCheck Advisory: n8n - Cross-Site Scripting and Open Redirect in Form Node", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/n8n-cross-site-scripting-and-open-redirect-in-form-node"}], "credits": [{"lang": "en", "value": "tCu0n9", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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