CVE-2026-8078CWE-79cross-site-scripting

CVE-2026-8078

Medium · published June 8, 2026

CVSS v3.1
4.8
EPSS
0%
Percentile
14.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
4.8 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00242 · 14.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-06-08T17:16Z
Affected products (157)
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References (1)
https://checkmk.com/werk/17992 · [email protected]
EPSS history
Timeline
  • 08 JUN 12:06Z
    Fix stored XSS in global settings change log
    cvelistv5