XSS in QNAP Qts

CVE-2023-50366

A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow authenticated administrators to inject malicious code via a network. We have already fixed the vulnerability in the following versions: QTS 5.1.6.2722 build 20240402 and later QuTS hero h5.1.6.2734 build 20240414 and later

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.002 (14.0th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 14th percentile — 14.0% 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-2023-50366: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-50366?
CVE-2023-50366 is a medium-severity vulnerability in QNAP Qts, classified under Cross-site Scripting. CVSS score: 4.3/10. Published 2024-09-06.
How severe is CVE-2023-50366?
Medium severity. CVSS v3 base score is 4.3 out of 10.