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CVE-2021-38680— Reflected XSS in Kazoo Server

Quick assessment

Affected
Linn Products Limited Kazoo Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Qnap Kazoo Server是中国威联通科技（Qnap）公司的一款服务器。 QNAP Kazoo Server 存在跨站脚本漏洞，该漏洞源于软件对用户提供的数据没有充分的过滤与验证。远程攻击者可利用该漏洞可以在脆弱网站的情况下，欺骗受害者遵循特定的链接，并在用户浏览器中执行任意的HTML和脚本代码。

CVSS 5.3 · Medium EPSS 0.69% · P50
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I. Basic Information for CVE-2021-38680

Vulnerability Information
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Vulnerability Title
Reflected XSS in Kazoo Server
Source: CVE Program / CVE List V5
Vulnerability Description
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Kazoo Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Kazoo Server: Kazoo Server 4.11.20 and later
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
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: CVE Program / CVE List V5
Vulnerability Title
Qnap Kazoo Server 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Qnap Kazoo Server是中国威联通科技（Qnap）公司的一款服务器。 QNAP Kazoo Server 存在跨站脚本漏洞，该漏洞源于软件对用户提供的数据没有充分的过滤与验证。远程攻击者可利用该漏洞可以在脆弱网站的情况下，欺骗受害者遵循特定的链接，并在用户浏览器中执行任意的HTML和脚本代码。
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

Vendor Product Affected Versions CPE Subscribe
Linn Products Limited Kazoo Server unspecified ~ 4.11.20 -

II. Public POCs for CVE-2021-38680

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III. Intelligence Information for CVE-2021-38680

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Other References for CVE-2021-38680 (1)

IV. Related Vulnerabilities

Same product: Kazoo Server
Same weakness: CWE-79

V. Comments for CVE-2021-38680

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