n8n-io/n8n · Security
N8N's Chat Trigger component is vulnerable to XSS
- GHSA ID
- GHSA-v2x8-97xq-8xrr
- CVE ID
- CVE-2025-56265
- Severity
- high
- Published
- Updated
- CVSS
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS v3
- 8.8 · CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
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.
CWEs
- CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
- CWE-434 · Unrestricted Upload of File with Dangerous Type
References
- https://nvd.nist.gov/vuln/detail/CVE-2025-56265 ↗
- https://github.com/nikolas-ch/CVEs/blob/main/N8N/N8N_v1.100.1/ChatTrigger_StoredXSSviaUnrestrictedFileUpload/StoredXSSviaUnristrictedFileUpload.txt ↗
- https://github.com/n8n-io/n8n/pull/18148 ↗
- https://github.com/n8n-io/n8n/releases/tag/n8n%401.107.0 ↗
- https://github.com/advisories/GHSA-v2x8-97xq-8xrr ↗