CVE-2025-22483

Severity CVSS v4.0:

HIGH

Type:

CWE-79 Cross-Site Scripting (XSS)

Publication date:

29/08/2025

Last modified:

05/12/2025

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

Vector 3.x

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N CVSS v3.1 Severity and Metrics:

Base Score: 4.80 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): High
User Interaction (UI): Required
Scope (S): Changed
Confidentiality (C): Low
Integrity (I): Low
Availability (A): None

Base Score 3.x

4.80

Severity 3.x

MEDIUM

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:a:qnap:license_center::::::::	1.8.17 (including)	1.8.51 (excluding)
cpe:2.3:a:qnap:license_center::::::::	1.9.36 (including)	1.9.51 (excluding)

To consult the complete list of CPE names with products and versions, see this page

References to Advisories, Solutions, and Tools

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