CVE-2026-8078

4.8 MEDIUM

Stored cross-site scripting in the global settings change log in Checkmk <2.5.0p5, <2.4.0p31, <2.3.0p48, and all 2.2.0 versions allows an...

Published: 2026-06-08 · Last updated: 2026-06-08

Severity and scoring

CVSS: 4.8 MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CWE: CWE-79

Affected products

Vendor	Product
checkmk	checkmk

Description

Stored cross-site scripting in the global settings change log in Checkmk <2.5.0p5, <2.4.0p31, <2.3.0p48, and all 2.2.0 versions allows an administrator who can change global settings to store malicious HTML or JavaScript in changelog messages that executes in other users' browsers when they view the Activate Changes page or Audit log.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2026-8078
[Vendor advisory]https://checkmk.com/werk/17992

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