CVE-2026-103249

Published: Ott 01, 2026 Last Modified: Ott 01, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 6,9
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: active
Confidentiality: N/A
Integrity: N/A
Availability: N/A
HIGH 7,6
Source: [email protected]
Attack Vector: network
Attack Complexity: low
Privileges Required: low
User Interaction: required
Scope: changed
Confidentiality: high
Integrity: low
Availability: none

Description

AI Translation Available

n8n versions before 1.123.80, from 2.0.0 before 2.39.6, and from 2.40.0 before 2.40.1 contain a stored DOM cross-site scripting vulnerability in Resource Locator parameter dropdown link handling. Workflow authors can inject malicious script URLs that execute arbitrary JavaScript in the editor origin when other users open the node dropdown and click the external-link icon, with the payload persisting across workflow imports and shares.

79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Stable
Abstraction: Base Structure: Simple
Common Consequences
Security Scopes Affected:
Access Control Confidentiality Integrity Availability
Potential Impacts:
Bypass Protection Mechanism Read Application Data Execute Unauthorized Code Or Commands
Applicable Platforms
Technologies: AI/ML, Web Based, Web Server
Likelihood of Exploit: High
View CWE Details
https://github.com/n8n-io/n8n/security/advisories/GHSA-c2wp…
https://github.com/n8n-io/n8n/security/advisories/GHSA-c2wp-6fgc-xjq4
https://www.vulncheck.com/advisories/n8n-before-1.123.80-2.…
https://www.vulncheck.com/advisories/n8n-before-1.123.80-2.39.6-and-2.40.1-stor…