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CVE PROGRAM SOURCE RECORD8.5 High

CVE-2026-3466

Cross-site scripting in dashlet title

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Checkmk GmbH Checkmk

Default version status: unaffected

  • 2.2.0affected
  • 2.3.0 to < 2.3.0p46affected
  • 2.4.0 to < 2.4.0p25affected
  • 2.5.0b1 to < 2.5.0affected

References