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.

Severity (CVSS)

Base score6.8
SeverityMedium
VersionCVSS 4.0
VectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:N/VA:N/SC:L/SI:N/SA:N
Provided byCNA

Weaknesses

  • CWE-79 — CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected products

VendorProductVersions
n8n-ion8n< 2.24.0

References

Authoritative sources

This page is a snapshot. For the latest enrichment and updates, view the record on CVE.org or the NVD.

Generated from the official CVE List on 24 Jun 2026 09:35 UTC.