CVE-2026-54302— n8n: Stored XSS in Chat Trigger Node
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I. Basic Information for CVE-2026-54302
Vulnerability Information
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Vulnerability Title
n8n: Stored XSS in Chat Trigger Node
Source: CVE Program / CVE List V5
Vulnerability Description
n8n is an open source workflow automation platform. Prior to 1.123.55, 2.25.7, and 2.26.2, 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 origin with that user's session privileges. This vulnerability is fixed in 1.123.55, 2.25.7, and 2.26.2.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5
Vulnerability Title
n8n 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
n8n是n8n公司开源的一个可扩展的工作流自动化工具。 n8n 1.123.55之前版本、2.0.0-rc.0至2.25.7之前版本和2.26.0至2.26.2之前版本存在跨站脚本漏洞，该漏洞源于Chat Trigger组件中webhookId设置不当，可能导致经身份验证的用户注入任意JavaScript脚本，当其他登录用户访问聊天URL时，注入的代码将在用户会话环境下执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
II. Public POCs for CVE-2026-54302
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|---|
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Other References for CVE-2026-54302 (1)
- 🔗 Stored XSS in Chat Trigger Node · Advisory · n8n-io/n8n · GitHub Read full article x_refsource_CONFIRM
Same Patch Batch · n8n-io · 2026-06-23 · 21 CVEs total
| CVE-2026-54314 | n8n: Denial of Service via ZIP decompression in webhook workflow | |
| CVE-2026-44791 | n8n: XML Node Prototype Pollution Patch Bypass | |
| CVE-2026-44789 | n8n: HTTP Request Node Pagination Prototype Pollution to RCE | |
| CVE-2026-44792 | n8n: Source Control Pull SQL Injection | |
| CVE-2026-44790 | n8n: Arbitrary File Read via Git Node | |
| CVE-2026-49444 | n8n: Python sandbox escape | |
| CVE-2026-49465 | n8n: Git Node Clone and Push Operations Bypass File Sandbox | |
| CVE-2026-54304 | n8n: SecurityScorecard Node Leaks API Token to User-Controlled Host | |
| CVE-2026-54301 | n8n: Same-Origin XSS in Respond to Webhook Node | |
| CVE-2026-54310 | n8n: SQL Injection in Postgres v1/TimesclaeDB Nodes | |
| CVE-2026-45732 | n8n: Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints | |
| CVE-2026-54306 | n8n: Prototype Pollution enables confused-deputy execution via public webhooks | |
| CVE-2026-54313 | n8n: NoSQL Injection in MongoDB Node Find And Replace Operation | |
| CVE-2026-54303 | n8n: Reflected XSS via Facebook, WhatsApp, and Microsoft Teams Trigger Webhook Verificatio | |
| CVE-2026-54305 | n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints | |
| CVE-2026-54307 | n8n: Credential Exfiltration via Permission Bypass | |
| CVE-2026-54308 | n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node | |
| CVE-2026-54312 | n8n: Microsoft SQL Node Prototype Pollution | |
| CVE-2026-54309 | n8n: n8n MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions | |
| CVE-2026-54311 | n8n: Merge Node SQL Mode Prototype Pollution |
IV. Related Vulnerabilities
Same product: n8n
- CVE-2026-65599
n8n before 1.123.64, 2.29.8, and 2.30.1 Credential Exposure - CVE-2026-65598
n8n before 1.123.64 Remote Code Execution via Git Clone - CVE-2026-65597
n8n before 1.123.64 DOM-Based XSS via Unsandboxed iframe - CVE-2026-65596
n8n before 1.123.64 Credential Exfiltration via GraphQL Node - CVE-2026-65594
n8n before 2.30.1 Missing OAuth Authorization Check
Same vendor: n8n-io
- CVE-2026-65599
n8n before 1.123.64, 2.29.8, and 2.30.1 Credential Exposure - CVE-2026-65597
n8n before 1.123.64 DOM-Based XSS via Unsandboxed iframe - CVE-2026-65598
n8n before 1.123.64 Remote Code Execution via Git Clone - CVE-2026-65596
n8n before 1.123.64 Credential Exfiltration via GraphQL Node - CVE-2026-65594
n8n before 2.30.1 Missing OAuth Authorization Check
Same weakness: CWE-79
- CVE-2026-18988
Easy Accordion <= 3.1.8 - Authenticated (Contributor+) Store - CVE-2026-48026
lakeFS vulnerable to stored XSS in rendered markdown preview - CVE-2026-11425
Domoticz Mobile Dashboard versions prior to 2026.3 Stored XS - CVE-2026-19230
SourceCodester Photo Share Website Comment Input Box ajax.ph - CVE-2026-64638
WordPress 4.7-7.0.2 登录页反射型XSS漏洞
V. Comments for CVE-2026-54302
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