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I. Basic Information for CVE-2025-53533
Vulnerability Information
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Vulnerability Title
Pi-hole Admin Interface vulnerable to cross-site scripting via malformed URL path on 404 error page
Source: NVD (National Vulnerability Database)
Vulnerability Description
Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level advertisement and internet tracker blocking application. Pi-hole Admin Interface versions 6.2.1 and earlier are vulnerable to reflected cross-site scripting (XSS) via a malformed URL path. The 404 error page includes the requested path in the class attribute of the body tag without proper sanitization or escaping. An attacker can craft a URL containing an onload attribute that will execute arbitrary JavaScript code in the browser when a victim visits the malicious link. If an attacker sends a crafted pi-hole link to a victim and the victim visits it, attacker-controlled JavaScript code is executed in the browser of the victim. This has been patched in version 6.3.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
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 Web Interface 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pi-hole Web Interface是Pi-hole开源的一个仪表板Web界面。 Pi-hole Web Interface 6.2.1及之前版本存在跨站脚本漏洞，该漏洞源于404错误页面未正确清理或转义URL路径，可能导致反射型跨站脚本攻击。
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-holeweb < 6.3 -
II. Public POCs for CVE-2025-53533
#POC DescriptionSource LinkShenlong Link
1Cross-Site-Scripting XSS in Pi-hole-CVE-2025-53533 exploit (PoC)https://github.com/moezbouzayani9/Pi-hole-XSS-CVE-2025-53533POC Details
2Pi-hole Admin Interface <= 6.2.1 contains a reflected XSS vulnerability on the 404 error page. The URL path is reflected unsanitized into the `class` attribute of the `body` tag, allowing attribute injection via a crafted URL to execute arbitrary JavaScript in victim browsers. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2025/CVE-2025-53533.yamlPOC Details
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III. Intelligence Information for CVE-2025-53533
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IV. Related Vulnerabilities
Same product: web
Same vendor: pi-hole
Same weakness: CWE-79
V. Comments for CVE-2025-53533

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