漏洞信息
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Vulnerability Title
n8n: XSS via MCP OAuth client
Vulnerability Description
n8n is an open source workflow automation platform. Prior to versions 1.123.32, 2.17.4, and 2.18.1, an unauthenticated attacker could register a malicious MCP OAuth client with a crafted client_name. If a victim user authorized the OAuth consent dialog and a second user subsequently revoked that access, a toast notification would render the injected script. Clicking the link would execute arbitrary JavaScript in the victim's authenticated n8n browser session, enabling credential and session token theft, workflow manipulation, or privilege escalation. This issue has been patched in versions 1.123.32, 2.17.4, and 2.18.1.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:L/SC:H/SI:H/SA:L
Vulnerability Type
替代XSS语法转义处理不恰当
Vulnerability Title
n8n 跨站脚本漏洞
Vulnerability Description
n8n是n8n开源的一个可扩展的工作流自动化工具。 n8n 1.123.32之前版本、2.17.4之前版本和2.18.1之前版本存在跨站脚本漏洞,该漏洞源于未经身份验证的攻击者可注册恶意MCP OAuth客户端并包含特制client_name,可能导致受害者用户授权后第二个用户撤销访问时渲染注入脚本,点击链接执行任意JavaScript,实现凭据和会话令牌窃取、工作流操纵或权限提升。
CVSS Information
N/A
Vulnerability Type
N/A