CVE-2025-22483: License Center

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-08-29 · updated 2026-10-18
Weakness: CWE-79

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. We have already fixed the vulnerability in the following versions: License Center 1.8.51 and later License Center 1.9.51 and later

Affected products

QNAP Systems Inc. License Center: from 1.8.17 before 1.8.51; from 1.9.36 before 1.9.51 — fixed in 1.8.51, 1.9.51

How to fix

Upgrade to a fixed version: QNAP Systems Inc. License Center 1.8.51, 1.9.51. Check the vendor advisory for mitigations.

References

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

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