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I. Basic Information for CVE-2021-32793
Vulnerability Information

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Vulnerability Title
Stored XSS Vulnerability in the Pi-hole Webinterface
Source: NVD (National Vulnerability Database)
Vulnerability Description
Pi-hole's Web interface provides a central location to manage a Pi-hole instance and review performance statistics. Prior to Pi-hole Web interface version 5.5.1, the function to add domains to blocklists or allowlists is vulnerable to a stored cross-site-scripting vulnerability. User input added as a wildcard domain to a blocklist or allowlist is unfiltered in the web interface. Since the payload is stored permanently as a wildcard domain, this is a persistent XSS vulnerability. A remote attacker can therefore attack administrative user accounts through client-side attacks. Pi-hole Web Interface version 5.5.1 contains a patch for this vulnerability.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/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
Pi-hole 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pi-hole是Pi-hole公司的一款网络级广告拦截应用程序。 Pi-hole 5.5.1之前版本存在跨站脚本漏洞,该漏洞源于Pi-hole的Web界面提供了一个中央位置来管理Pi-hole实例和检查性能统计信息,在Pi-hole Web界面5.5.1版本之前,将域添加到阻止列表或允许列表的功能未进行有效过滤和清理,容易受到存储的跨站点脚本漏洞的攻击。远程攻击者利用该漏洞可以通过客户端攻击来攻击系统管理员账户。
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
pi-holeAdminLTE < 5.5.1 -
II. Public POCs for CVE-2021-32793
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III. Intelligence Information for CVE-2021-32793
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