---
cve: "CVE-2026-33276"
severity: "HIGH"
cvss: 8.6
epss: "14%"
vendor: "Checkmk GmbH"
kev: false
exploited: false
published: "2026-03-31 15:16:14"
tags: [cve, security, high]
source: tsecurity.de CVE-Dossier
exported: "2026-09-03T03:51:29+02:00"
---

# CVE-2026-33276

> 8.6 HIGH

## Beschreibung

Stored cross-site scripting (XSS) in Checkmk 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create hosts or services to execute arbitrary JavaScript in the browsers of other users performing searches in the Unified Search feature.

## CVSS-Vektor

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

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

## Referenzen

- <https://checkmk.com/werk/19525>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-33276) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_