What is CVE-2018-19951?

CVE-2018-19951 is a medium-severity vulnerability in QNAP Music Station, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-11-02.

How severe is CVE-2018-19951?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in QNAP Music Station

CVE-2018-19951

If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. This issue affects: QNAP Systems Inc. Music Station versions prior to 5.1.13; versions prior to 5.2.9; versions prior to 5.3.11.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2020-11-02 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.008 (53.6th percentile), scored 2026-09-29.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

QNAP Music Station
QNAP Qts — versions 4.4.3, 4.3.4, 4.3.6
QNAP Systems Inc. Music Station — versions unspecified

Weakness classification (CWE)

References

www.qnap.com/en/security-advisory/qsa-20-10 (Vendor Advisory)

Frequently asked questions

What is CVE-2018-19951?: CVE-2018-19951 is a medium-severity vulnerability in QNAP Music Station, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2020-11-02.
How severe is CVE-2018-19951?: Medium severity. CVSS v3 base score is 6.1 out of 10.