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CVE-2026-3466

Published: Apr 7, 2026

Modified: Apr 22, 2026

PUBLISHED

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.

Vendor	Product	Versions
Checkmk GmbH	Checkmk	affected `2.2.0` affected `2.3.0 - < 2.3.0p46` affected `2.4.0 - < 2.4.0p25` affected `2.5.0b1 - < 2.5.0`

Weaknesses (CWE)

References

https://checkmk.com/werk/19033

vendor-advisory

https://checkmk.com/werk/19583

vendor-advisory

https://www.vulncheck.com/advisories/checkmk-stored-cross-site-scripting-in-dashlet-title

third-party-advisory

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