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n8n: Stored XSS in Chat Trigger Node

🗓️ 16 Jun 2026 22:39:32Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 2 Views

Impact An authenticated user with workflow edit access could inject arbitrary JavaScript into the Chat Trigger's generated page by setting a malicious webhookId. When a logged-in user visited the chat URL, the injected code executed in the n8n ori...

Related
Detection
Refs
ReporterTitlePublishedViews
Family
CVE		CVE-2026-54302
16 Jun 202622:39
–cve
OSV		GHSA-42H7-M79W-WVG5 n8n: Stored XSS in Chat Trigger Node
16 Jun 202622:39
–osv
Vulners
Node
n8nn8nRange2.0.0-rc.0–2.25.7npm
OR
n8nn8nRange2.26.0–2.26.2npm
OR
n8nn8nRange<1.123.55npm

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16 Jun 2026 22:39Current
5.6Medium risk
Vulners AI Score5.6
EPSS0.00038
CWE-79
2