CVE-2021-34359

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CVSS 3.1

5.4 medium

EPSS

<1%p48

Published

Feb 25, 2022 (Feb 25, 2022)

Modified

Jun 17, 2026

Description

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Proxy Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Proxy Server: QTS 4.5.x: Proxy Server 1.4.2 ( 2021/12/30 ) and later

Vendors: qnap
Products: nas proxy server
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (0.6%)

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