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Advisories

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

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severity
medium
date
Affecting

  • n8n >= 0, < 1.123.24

  • n8n >= 2.0.0-rc.0, < 2.10.4

  • n8n >= 2.11.0, < 2.12.0

  • n8n >= 0, < 2.10.4

  • n8n >= 0, < 1.123.24

CWE
  • CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CVSS
5.1
CVSS V4 Vector
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
Credit
tCu0n9
Description
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.

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