CVE-2026-3466
8.5
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:L/SA:N
Summary
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.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.2.0 | affected |
| Checkmk GmbH | Checkmk | 2.3.0 < 2.3.0p46 | affected |
| Checkmk GmbH | Checkmk | 2.4.0 < 2.4.0p25 | affected |
| Checkmk GmbH | Checkmk | 2.5.0b1 < 2.5.0 | affected |
Weaknesses
- CWE-79: CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: total
References
- https://checkmk.com/werk/19033
- https://checkmk.com/werk/19583
- https://www.vulncheck.com/advisories/checkmk-stored-cross-site-scripting-in-dashlet-title
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