CVE-2025-22483

Severity CVSS v4.0:

HIGH

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

29/08/2025

Last modified:

02/09/2025

Description

A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If a remote attacker gains an administrator account, they can then exploit the vulnerability to bypass security mechanisms or read application data.<br /> <br /> We have already fixed the vulnerability in the following versions:<br /> License Center 1.8.51 and later<br /> License Center 1.9.51 and later

Impact

Vector 4.0

CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H CVSS v4.0 Severity and Metrics:

Base Score: 7.10 HIGH
Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:H/UI:A/VC:L/VI:H/VA:H/SC:L/SI:H/SA:H

Attack Vector (AV): Network
Attack Complexity (AC): High
Attack Requirements (AT): None
Privileges Required (PR): High
User Interaction (UI): Active
Confidentiality (VC): Low
Integrity (VI): High
Availability (VA): High
Confidentiality (SC): Low
Integrity (SI): High
Availability (SA): High

Base Score 4.0

7.10

Severity 4.0

HIGH

References to Advisories, Solutions, and Tools

https://www.qnap.com/en/security-advisory/qsa-25-27