VULNERABILITY INTELLIGENCE
CVE-2026-3466
CVSS score5.4 MEDIUM
EPSS probability0.23%
CISA KEVNot currently listed
Published2026-04-07
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Description
Insufficient sanitization of dashboard dashlet title links in Checkmk 2.2.0 (EOL), Checkmk 2.3.0 before 2.3.0p46, Checkmk 2.4.0 before 2.4.0p25, and Checkmk 2.5.0 (beta) before 2.5.0 allows an attacker with dashboard creation privileges to perform stored cross-site scripting (XSS) attacks by tricking a victim into clicking a crafted dashlet title link on a shared dashboard.
Weakness classification
- security@checkmk.com: CWE-79
Primary references
- security@checkmk.com — Vendor Advisory
- security@checkmk.com
- security@checkmk.com — Release Notes, Third Party Advisory