CVE-2021-3811— Cross-site Scripting (XSS) - Reflected in pi-hole/adminlte
Possible ATT&CK Techniques 1AI
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I. Basic Information for CVE-2021-3811
Vulnerability Information
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Vulnerability Title
Cross-site Scripting (XSS) - Reflected in pi-hole/adminlte
Source: CVE Program / CVE List V5
Vulnerability Description
adminlte is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Source: CVE Program / CVE List V5
CVSS Information
N/A
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
Pi-Hole Adminlte 跨站脚本漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Pi-Hole Adminlte是一个Pi-Hole控制面板。用于统计更多数据。 Pi-Hole adminlte 存在跨站脚本漏洞，该漏洞源于在网页生成过程中容易受到输入的不正确中和（“跨站脚本”）的攻击。
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
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| pi-hole | pi-hole/adminlte | unspecified ~ 5.6 | - |
II. Public POCs for CVE-2021-3811
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Patches & Fixes for CVE-2021-3811 (1)
Vendor Advisories for CVE-2021-3811 (1)
- https://huntr.dev/bounties/fa38c61f-4043-4872-bc85-7fe5ae5cc2e8x_refsource_CONFIRM
IV. Related Vulnerabilities
Same vendor: pi-hole
- CVE-2026-50130
Pi-hole: Local privilege escalation from `pihole` user to ro - CVE-2026-44693
Pi-hole FTL: Unauthenticated Session Hijacking via Race Cond - CVE-2026-41489
Pi-hole: Local privilege escalation via config-controlled pa - CVE-2026-39849
Pi-hole FTL remote code execution via newline injection in d - CVE-2026-35521
Pi-hole FTL affected by Remote Code Execution (RCE) via dhcp
Same weakness: CWE-79
- CVE-2026-75948
Joomla Extension - icagenda.com - Authenticated Stored XSS - CVE-2026-76564
Joomla Extension - phoca.cz - Stored XSS via User-Agent hea - CVE-2026-76569
Joomla Extension - phoca.cz - Reflected XSS via the search G - CVE-2026-76565
Joomla Extension - phoca.cz - Reflected XSS via price_from & - CVE-2026-71368
F-RevoCRM跨站脚本漏洞
V. Comments for CVE-2021-3811
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