n8n is an open source workflow automation platform. Prior to 2.24.0, an endpoint in the Meta and Microsoft Teams trigger nodes reflects a query parameter into the HTTP response without sanitization or Content-Security-Policy headers, enabling reflected XSS in the n8n origin when a logged-in user visits a crafted URL. This vulnerability is fixed in 2.24.0.
History

Wed, 24 Jun 2026 16:15:00 +0000

Type Values Removed Values Added
First Time appeared N8n
N8n n8n
Vendors & Products N8n
N8n n8n

Wed, 24 Jun 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 23 Jun 2026 15:45:00 +0000

Type Values Removed Values Added
Description n8n is an open source workflow automation platform. Prior to 2.24.0, an endpoint in the Meta and Microsoft Teams trigger nodes reflects a query parameter into the HTTP response without sanitization or Content-Security-Policy headers, enabling reflected XSS in the n8n origin when a logged-in user visits a crafted URL. This vulnerability is fixed in 2.24.0.
Title n8n: Reflected XSS via Facebook, WhatsApp, and Microsoft Teams Trigger Webhook Verification Endpoints
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 6.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-06-23T15:32:06.963Z

Updated: 2026-06-24T13:52:23.360Z

Reserved: 2026-06-12T17:46:37.294Z

Link: CVE-2026-54303

cve-icon Vulnrichment

Updated: 2026-06-24T13:52:19.182Z

cve-icon NVD

No data.

cve-icon Redhat

No data.