CVE-2025-56265

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-56265
An arbitrary file upload vulnerability in the Chat Trigger component of N8N v1.95.3, v1.100.1, and v1.101.1 allows attackers to execute arbitrary code via uploading a crafted HTML file.

8.8 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt Third Party Advisory
https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1 Exploit
https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload Exploit
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:n8n:n8n:1.95.3:*:*:*:*:node.js:*:*
cpe:2.3:a:n8n:n8n:1.100.1:*:*:*:*:node.js:*:*
cpe:2.3:a:n8n:n8n:1.101.1:*:*:*:*:node.js:*:*
History

12 Sep 2025, 20:47

Type Values Removed Values Added
References () https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt - () https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt - Third Party Advisory
References () https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1 - () https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1 - Exploit
References () https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload - () https://github.com/nikolas-ch/CVEs/tree/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload - Exploit
First Time N8n
N8n n8n
CPE cpe:2.3:a:n8n:n8n:1.101.1:*:*:*:*:node.js:*:*
cpe:2.3:a:n8n:n8n:1.100.1:*:*:*:*:node.js:*:*
cpe:2.3:a:n8n:n8n:1.95.3:*:*:*:*:node.js:*:*

08 Sep 2025, 19:15

Type Values Removed Values Added
CWE CWE-434
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 8.8

08 Sep 2025, 18:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-09-08 18:15

Updated : 2025-09-12 20:47

NVD link : CVE-2025-56265

Mitre link : CVE-2025-56265

CVE.ORG link : CVE-2025-56265

JSON object : View

Products Affected

n8n

  • n8n
CWE
CWE-434

Unrestricted Upload of File with Dangerous Type