XSS in QNAP License Center

CVE-2024-50406

A cross-site scripting (XSS) vulnerability has been reported to affect License Center. If exploited, the vulnerability could allow remote attackers who have gained user access to bypass security mechanisms or read application data. We have already fixed the vulnerability in the following version: License Center 1.9.49 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: 0.003 (17.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 17th percentile — 17.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2024-50406: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-50406?
CVE-2024-50406 is a medium-severity vulnerability in QNAP License Center, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2025-06-06.
How severe is CVE-2024-50406?
Medium severity. CVSS v3 base score is 5.4 out of 10.