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CVE-2026-20915

Checkmk

Description

Stored cross-site scripting (XSS) in Checkmk version 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create pending changes to inject malicious JavaScript into the Pending Changes sidebar, which will execute in the browsers of other users viewing the sidebar.

CVSS 5.4EPSS 0.147%Risk 0.55
View source
Published
2026-03-31 15:16:11
Affected versions
<2.5.0b2
Type
Core software
Last modified
2026-07-25 10:10:00
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N