CVE-2026-7186

MEDIUM

Fix stored XSS in URL dashboard widget via dangerous URI schemes

Title source: cna

Description

Stored cross-site scripting in the URL dashboard widget in Checkmk <2.5.0p5, <2.4.0p31, <2.3.0p48, and all 2.2.0 versions allows a user with dashboard editing permissions to store a URL with a dangerous URI scheme such as javascript: that executes scripts in other users' browsers when they view the dashboard.

References (1)

Core 1

Core References

Vendor Advisory vendor-advisory

https://checkmk.com/werk/17991

Scores

CVSS v3 5.4

EPSS 0.0014

EPSS Percentile 3.3%

Attack Vector NETWORK

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact total

Details

CWE

CWE-79

Status published

Products (1)

checkmk/checkmk 2.2.0 (50 CPE variants)

Published Jun 08, 2026

Tracked Since Jun 08, 2026