CVE-2021-34357

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CVSS 3.1

6.1 medium

EPSS

<1%p51

Published

Nov 13, 2021 (Nov 13, 2021)

Modified

Jun 17, 2026

Description

A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running QmailAgent. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of QmailAgent: QmailAgent 3.0.2 ( 2021/08/25 ) and later

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

NVD CVE.org GitHub PoCs EPSS (0.7%)

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