CVE-2026-56358
| Summary |
n8n before 1.123.25 (1.x) and before 2.11.2 (2.x), with the fix also included in 2.12.0, contains a stored cross-site scripting vulnerability in the Form Trigger node's CSS sanitization that allows authenticated users to inject malicious scripts. Attackers with workflow creation permissions can inject XSS payloads that execute persistently for all form visitors, enabling form hijacking and phishing attacks.
|
| Publication Date |
June 24, 2026, 10:16 p.m. |
| Registration Date |
June 27, 2026, 4:18 a.m. |
| Last Update |
June 26, 2026, 11:02 a.m. |
|
CVSS3.1 : MEDIUM
|
| スコア |
5.4
|
| Vector |
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| 攻撃元区分(AV) |
ネットワーク |
| 攻撃条件の複雑さ(AC) |
低 |
| 攻撃に必要な特権レベル(PR) |
低 |
| 利用者の関与(UI) |
要 |
| 影響の想定範囲(S) |
変更あり |
| 機密性への影響(C) |
低 |
| 完全性への影響(I) |
低 |
| 可用性への影響(A) |
なし |
Affected software configurations
| Configuration1 |
or higher |
or less |
more than |
less than |
| cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:* |
|
|
|
1.123.25 |
| cpe:2.3:a:n8n:n8n:*:*:*:*:*:node.js:*:* |
2.0.0 |
|
|
2.11.2 |
Related information, measures and tools
Common Vulnerabilities List