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CVE-2026-56354

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

Published: Jul 10, 2026Updated: Jul 13, 2026 Sources: CVE List NVDCWE-79
4.1MEDIUM
NVD MITRE
EPSS Score
0.2%
Top 93.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Workaround Only
Self-Check
OpenVAS

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:RS:CC:NI:LA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:RUser Interaction
Required
Scope
S:CScope
Changed
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:NAvailability
None
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Weaknesses

CWE-79

Affected Products

n8n
oss-project
n8nSaaSWeb App
Cloud & SaaS / saas-application

Exploitability

Workaround Available
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Attack Graph

Products CVE Techniques Tactics

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MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

https://github.com/n8n-io/n8n/security/advisories/GHSA-w673-8fjw-457c
github.com
https://www.vulncheck.com/advisories/n8n-cross-site-scripting-and-open-redirect-in-form-node
vulncheck.com

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