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CVE-2026-56354

n8n - Cross-Site Scripting and Open Redirect in Form Node PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / productVersions
n8n / n8naffected 0 before 1.123.24; unaffected 1.123.24; affected 2.0.0-rc.0 before 2.10.4; unaffected 2.10.4; affected 2.11.0 before 2.12.0; unaffected 2.12.0
n8n / n8naffected 0 before 2.10.4; unaffected 2.10.4
n8n / n8naffected 0 before 1.123.24; unaffected 1.123.24

CWE

CWE-79

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.