CVE-2023-23372: QNAP QTS

Medium severity, CVSS 6.1. EPSS: 0.5% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability has been reported to affect several QNAP operating system versions. If exploited, the vulnerability could allow users to inject malicious code via a network. We have already fixed the vulnerability in the following versions: QTS 5.0.1.2425 build 20230609 and later QTS 5.1.0.2444 build 20230629 and later QTS 4.5.4.2467 build 20230718 and later QuTS hero h5.1.0.2424 build 20230609 and later QuTS hero h5.0.1.2515 build 20230907 and later QuTS hero h4.5.4.2476 build 20230728 and later

Affected products

• QNAP QTS: version 5.1.0.2348 only; version 5.1.0.2399 only; version 5.1.0.2418 only; version 5.0.1.2034 only; version 5.0.1.2079 only; version 5.0.1.2131 only; …
• QNAP Quts Hero: version h5.1.0.2409 only; version h5.0.1.2045 only; version h5.0.1.2192 only; version h5.0.1.2248 only; version h5.0.1.2269 only; version h5.0.1.2277 only; …

Published 2023-12-08. Last modified 2026-06-17.