Stored Cross-Site Scripting (XSS)

n8n is vulnerable to Stored Cross-Site Scripting XSS. The vulnerability is due to improper sanitization of user input in the initialMessages field of the @n8n/n8n-nodes-langchain.chatTrigger component, which allows an attacker to inject malicious JavaScript that executes in the browser of users...

CVE-2025-58177 n8n stored cross-site scripting in LangChain Chat Trigger node initialMessages parameter

n8n is an open source workflow automation platform. From 1.24.0 to before 1.107.0, there is a stored cross-site scripting XSS vulnerability in @n8n/n8n-nodes-langchain.chatTrigger. An authorized user can configure the LangChain Chat Trigger node with malicious JavaScript in the initialMessages...