XSS in QNAP File Station
CVE-2025-57706
A cross-site scripting (XSS) vulnerability has been reported to affect File Station 5. If a remote attacker gains a user account, they can then exploit the vulnerability to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following version: File Station 5 5.5.6.5018 and later
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (9.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 9th percentile — 9.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- QNAP File Station
- QNAP Systems Inc. File Station 5 — versions 5.5.x
Weakness classification (CWE)
References
- www.qnap.com/en/security-advisory/qsa-25-38 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-57706?
- CVE-2025-57706 is a medium-severity vulnerability in QNAP File Station, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-11-07.
- How severe is CVE-2025-57706?
- Medium severity. CVSS v3 base score is 5.4 out of 10.