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CVE-2026-47790

Privilege Escalation via QuFTP Log-based XSS

MEDIUM
6.3
CVSS Score
Published: October 15, 2026 at 09:38 AM UTC
Updated: October 19, 2026 at 08:06 AM UTC
1 product affected across 1 vendorQuftp

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Severity
MEDIUM6.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Quftp· Qnap
90%
1.4.x1.5.x1.6.x

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

Release Notes
Source: cverecord
https://www.qnap.com/en/app-release-notes?keyword=QuFTP%20Service&app=QuFTP&product-line=nas

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.3MEDIUMqnap
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-79

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