---
cve: "CVE-2026-57828"
severity: "CRITICAL"
cvss: 9.0
epss: "37%"
vendor: "phoca.cz"
kev: false
exploited: false
published: "2026-07-11 10:16:35"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-08-31T19:37:33+02:00"
---

# CVE-2026-57828

> 9.0 CRITICAL

## Beschreibung

Joomla Extension - phoca.cz - Authenticated file upload in Phoca Downloads component < 6.1.3 - The Joomla extension Phoca Downloads is vulnerable to an authenticated arbitrary file upload that allows registered users uploading executable files and leads to full RCE.

## CVSS-Vektor

```
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Gering | warn |
| UI Interaktion | Keine | bad |

## Referenzen

- <https://www.phoca.cz/phocadownload>
- <https://mysites.guru/blog/phoca-download-authenticated-file-upload-rce/>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-57828) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_