---
cve: "CVE-2021-3811"
severity: "MEDIUM"
cvss: 6.7
epss: "0.5%"
vendor: "pi-hole"
kev: false
exploited: false
published: "2021-09-17 06:15:26"
tags: [cve, security, medium]
source: tsecurity.de CVE-Dossier
exported: "2026-09-20T23:27:49+02:00"
---

# CVE-2021-3811

> 6.7 MEDIUM · 🧪 PoC

## Beschreibung

adminlte is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

## CVSS-Vektor

```
CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Hoch | good |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Patch verfügbar (OSV)

- f5292a3f6adc933cfab8967f2795277a6003d0ef (Commit)
- f526716de7bb0fd382a64bcbbb33915c926f94bb (Commit)

## Referenzen

- <https://huntr.dev/bounties/fa38c61f-4043-4872-bc85-7fe5ae5cc2e8>
- <https://github.com/pi-hole/adminlte/commit/f526716de7bb0fd382a64bcbbb33915c926f94bb>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2021-3811) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_