---
cve: "CVE-2025-54875"
severity: "CRITICAL"
cvss: 9.8
epss: "50%"
vendor: "FreshRSS"
kev: false
exploited: false
published: "2025-09-29 22:15:36"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-17T12:45:04+02:00"
---

# CVE-2025-54875

> 9.8 CRITICAL · 🧪 PoC

## Beschreibung

FreshRSS is a free, self-hostable RSS aggregator. In versions 1.16.0 and above through 1.26.3, an unprivileged attacker can create a new admin user when registration is enabled through the use of a hidden field used only in the user management admin page, new_user_is_admin. This is fixed in version 1.27.0.

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

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

## Patch verfügbar (OSV)

- 66e2f00223b915c337291c0f34876d6390fb1c80 (Commit)

## Referenzen

- <https://github.com/FreshRSS/FreshRSS/security/advisories/GHSA-h625-ghr3-jppq>
- <https://github.com/FreshRSS/FreshRSS/pull/7783>
- <https://github.com/FreshRSS/FreshRSS/releases/tag/1.27.0>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2025-54875) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_