---
id: CVE-2026-47790
title: >-
  A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP
  Service
summary: >-
  A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP
  Service. If a remote attacker gains a user account, they can then exploit the
  vulnerability to inject malicious code.


  We have already fixed the vulnerability i…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H'
cwe:
  - CWE-79
vendor: QNAP Systems Inc.
product: QuFTP Service
affected:
  - quftp_service >= 1.4.x < 1.4.6
  - quftp_service >= 1.5.x < 1.5.5
  - quftp_service >= 1.6.x < 1.6.5
published: '2026-10-15'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T10:17:14.903'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-47790'
references:
  - url: >-
      https://www.qnap.com/en/app-release-notes?keyword=QuFTP%20Service&app=QuFTP&product-line=nas
    label: security@qnapsecurity.com.tw
tags:
  - nvd
  - cve.org
cvssSource: cna
ingestedAt: '2026-10-15T09:59:33.286Z'
---

## Overview

A cross-site scripting (XSS) vulnerability has been reported to affect QuFTP Service. If a remote attacker gains a user account, they can then exploit the vulnerability to inject malicious code.

We have already fixed the vulnerability in the following version:
QuFTP Service 1.4.6 and later
QuFTP Service 1.5.5 and later
QuFTP Service 1.6.5 and later

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.