n8n's Possible Stored XSS in "Respond to Webhook" Node May Execute Outside iframe Sandbox
n8n is an open source workflow automation platform. Prior to version 1.114.0, a stored Cross-Site Scripting (XSS) vulnerability may occur in n8n when using the “Respond to Webhook” node. When this node responds with HTML content containing executable scripts, the payload may execute directly in the top-level window, ra…
Severity high: primary CNA CVSS 7.3 v3.1 (worst CNA-provided scenario) Not listed in this KEV snapshot. Forecast present in this snapshot.
Published 2025-12-26T21:48:59.778Z. Updated 2025-12-26T21:59:25.288Z.