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I. Basic Information for CVE-2021-43787
Vulnerability Information

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Vulnerability Title
XSS via prototype pollution
Source: NVD (National Vulnerability Database)
Vulnerability Description
Nodebb is an open source Node.js based forum software. In affected versions a prototype pollution vulnerability in the uploader module allowed a malicious user to inject arbitrary data (i.e. javascript) into the DOM, theoretically allowing for an account takeover when used in conjunction with a path traversal vulnerability disclosed at the same time as this report. The vulnerability has been patched as of v1.18.5. Users are advised to upgrade as soon as possible.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H
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
Nodebb 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
NodeBB是Design Create Play团队的一套使用Node.js(一套建立在Google V8 JavaScript引擎之上的网络应用平台)构建的论坛系统。 Nodebb 存在安全漏洞,该漏洞源于在受影响的版本中,uploader模块中的原型污染漏洞允许恶意用户向DOM注入任意数据(即javascript)。攻击者可利用该漏洞访问受限目录之外的位置。
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
NodeBBNodeBB >= 1.15.5, < 1.18.5 -
II. Public POCs for CVE-2021-43787
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III. Intelligence Information for CVE-2021-43787
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IV. Related Vulnerabilities
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