CVE-2026-77072

Katalog CVE

CVSS 7.6 · High EPSS 0,31%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada n8n. Skor CVSS 3.1 7.6 (High) menurut NVD.

Deskripsi (NVD)

n8n before 1.123.69, 2.33.4, and 2.34.1 contains a stored cross-site scripting vulnerability in the Form node's completion page. The completion page applied its sandboxing Content-Security-Policy only when respondWith was not set to 'redirect', but responseText was always rendered as raw HTML. An authenticated member could set respondWith to 'redirect' via an expression while keeping responseText populated, causing the completion page to serve unsanitized HTML and script from the n8n origin. Any visitor who submitted the resulting public form would have that script execute same-origin with their session.

Rincian

Terbit di NVD

20 Agustus 2026

Terakhir diubah

1 September 2026

Status NVD

Analyzed

CVSS 3.1

7.6 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

0,31% peluang dieksploitasi; lebih tinggi dari 21,6% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/n8n-io/n8n/security/advisories/GHSA-rmr5-775f-jvm2 mitigasi · advisory vendor
• https://www.vulncheck.com/advisories/n8n-before-stored-xss-via-form-completion-page advisory pihak ketiga