Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1325 CNY

100%

CVE-2026-54302— n8n: Stored XSS in Chat Trigger Node

EPSS 0.21% · P11
Get alerts for future matching vulnerabilitiesLog in to subscribe

I. Basic Information for CVE-2026-54302

Vulnerability Information

Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
n8n: Stored XSS in Chat Trigger Node
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
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: NVD (National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
n8n-ion8n < 1.123.55 -

II. Public POCs for CVE-2026-54302

#POC DescriptionSource LinkShenlong Link
AI-Generated POCPremium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-54302

登录查看更多情报信息。

Other References for CVE-2026-54302 (1)

Same Patch Batch · n8n-io · 2026-06-23 · 21 CVEs total

CVE-2026-54314n8n: Denial of Service via ZIP decompression in webhook workflow
CVE-2026-44791n8n: XML Node Prototype Pollution Patch Bypass
CVE-2026-44789n8n: HTTP Request Node Pagination Prototype Pollution to RCE
CVE-2026-44792n8n: Source Control Pull SQL Injection
CVE-2026-44790n8n: Arbitrary File Read via Git Node
CVE-2026-49444n8n: Python sandbox escape
CVE-2026-49465n8n: Git Node Clone and Push Operations Bypass File Sandbox
CVE-2026-54304n8n: SecurityScorecard Node Leaks API Token to User-Controlled Host
CVE-2026-54301n8n: Same-Origin XSS in Respond to Webhook Node
CVE-2026-54310n8n: SQL Injection in Postgres v1/TimesclaeDB Nodes
CVE-2026-45732n8n: Cross-user Authorization Bypass in Dynamic Credential OAuth Endpoints
CVE-2026-54306n8n: Prototype Pollution enables confused-deputy execution via public webhooks
CVE-2026-54313n8n: NoSQL Injection in MongoDB Node Find And Replace Operation
CVE-2026-54303n8n: Reflected XSS via Facebook, WhatsApp, and Microsoft Teams Trigger Webhook Verificatio
CVE-2026-54305n8n: Cross-Tenant Credential Takeover via Dynamic Credentials EE Endpoints
CVE-2026-54307n8n: Credential Exfiltration via Permission Bypass
CVE-2026-54308n8n: Missing Token Validation on Microsoft Agent 365 Trigger Node
CVE-2026-54312n8n: Microsoft SQL Node Prototype Pollution
CVE-2026-54309n8n: n8n MCP Browser HTTP Transport Exposes Unauthenticated Browser-Control Sessions
CVE-2026-54311n8n: Merge Node SQL Mode Prototype Pollution

IV. Related Vulnerabilities

V. Comments for CVE-2026-54302

No comments yet


Leave a comment