CVE-2026-3466 (GCVE-0-2026-3466)

Vulnerability from cvelistv5 – Published: 2026-04-07 12:08 – Updated: 2026-04-08 08:17
VLAI?
Title
Cross-site scripting in dashlet title
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 2.5.0b3 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.
Severity ?
8.5 (High)
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
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
Vendor Product Version
Checkmk GmbH Checkmk Affected: 2.2.0 (semver)
Affected: 2.3.0 , < 2.3.0p46 (semver)
Affected: 2.4.0 , < 2.4.0p25 (semver)
Affected: 2.5.0b1 , < 2.5.0b3 (semver)
Create a notification for this product.
Credits
Alex Williams (Pellera Technologies)
Show details on NVD website
To clipboard 

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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