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I. Basic Information for CVE-2021-34357
Vulnerability Information

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Vulnerability Title
Reflected XSS Vulnerability in QmailAgent
Source: NVD (National Vulnerability Database)
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
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:L/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
QmailAgent跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QNAP QmailAgent是中国威联通科技(QNAP)公司的一个邮件收发总代理。 QmailAgent 的 QNAP 存在跨站脚本漏洞,该漏洞源于跨站点脚本 (XSS) 漏洞会影响运行 QmailAgent 的 QNAP 设备。攻击者可利用该漏洞注入恶意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
QNAP Systems Inc.QmailAgent unspecified ~ 3.0.2 ( 2021/08/25 ) -
II. Public POCs for CVE-2021-34357
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III. Intelligence Information for CVE-2021-34357
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IV. Related Vulnerabilities
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