Cross-site scripting in QNAP License Center
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Active
- Attack complexity
- High
- Attack requirements
- None
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · High · High
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.
Summary
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
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA License Center (QNAP Systems Inc.) Fixed in 1.8.51, 1.9.51
Timeline
- 2026-10-02 Threatist record created from CVE-2025-22483
- 2026-10-03 Alias added: GHSA-556x-fx4f-2hgg
References
More QNAP License Center vulnerabilities
- TI-2024-32563 OS command injection in QNAP License Center CVSS 4.0HIGH 7.7
- TI-2025-39004 Path traversal in QNAP License Center CVSS 4.0MEDIUM 4.6
- TI-2024-33839 Cross-site scripting in QNAP License Center CVSS 4.0LOW 2.0
- TI-2025-33534 Stack-based buffer overflow in QNAP License Center CVSS 4.0LOW 1.2
- TI-2025-32908 Out-of-bounds read in QNAP License Center CVSS 4.0LOW 1.3
Sources
- CVE-2025-22483 · CVE Program
- CVE-2025-22483 · NVD
- FIRST EPSS
- GHSA-556x-fx4f-2hgg · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences