CVE-2021-34357 - CVE House
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Status published Medium CVE-2021-34357

Reflected XSS Vulnerability in QmailAgent

Vulnerability 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

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Tony Martin, a security researcher

Affected Vendor

QNAP Systems Inc.

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Affected Software

QmailAgent
Vulnerable Versions:
unspecified

Timeline

Official Publish: November 13th, 2021
Last Modified: September 17th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N

Weaknesses (CWE)