VDB
CVE-2026-54303
CVE-2026-54303
PUBLISHED
CVSS 6.8 MEDIUM
Reported by GitHub_M · Published June 23, 2026
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.
Risk Scores
CVSS 4.0
6.8
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
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| n8n-io | n8n | < 2.24.0 |
| npm | n8n | 0 |
| n8n-io | n8n | < 2.24.0, < 2.24.0, < 2.24.0 |
Timeline
- Jun 16, 2026 CVE Published
- Jun 24, 2026 Coalition ESS Score
- Jun 24, 2026 Security Advisory