CVE-2026-20915

CVE-2026-20915CVE-2026-20915

checkmk / 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.

Scoring

CVSS 5.4 ()
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Last modified2026-07-25
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.