Vulnerability DatabaseCVE-2026-8078
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CVE-2026-8078
Published:June 08, 2026
Updated:June 28, 2026
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.
Affected Packages
https://github.com/Checkmk/checkmk.git (GITHUB):
Affected version(s) >=v2.4.0 <v2.4.0p31
Fix Suggestion:
Update to version v2.4.0p31
https://github.com/Checkmk/checkmk.git (GITHUB):
Affected version(s) >=v2.3.0 <v2.3.0p48
Fix Suggestion:
Update to version v2.3.0p48
https://github.com/Checkmk/checkmk.git (GITHUB):
Affected version(s) >=v2.5.0 <v2.5.0p5
Fix Suggestion:
Update to version v2.5.0p5
Related Resources (1)
https://checkmk.com/werk/17992
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CVSS v4
Base Score:
4.8
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
HIGH
User Interaction
PASSIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
NONE
Subsequent System Integrity
LOW
Subsequent System Availability
NONE
CVSS v3
Base Score:
3.4
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
NONE
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-79
EPSS
Base Score:
0.14