QuFTP Service XSS before 1.4.6/1.5.5/1.6.5
CVE-2026-47790 Published on October 15, 2026

Privilege Escalation via QuFTP Log-based XSS
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

NVD

Vulnerability Analysis

CVE-2026-47790 is exploitable with network access. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity and availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
LOW
User Interaction:
ACTIVE

Weakness Type

What is a XSS Vulnerability?

The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

CVE-2026-47790 has been classified to as a XSS vulnerability or weakness.


Affected Versions

QNAP Systems Inc. QuFTP Service: