Description
Improper neutralization of input in Checkmk versions 2.4.0 before 2.4.0p22, and 2.3.0 before 2.3.0p43 allows an attacker that can manipulate a host's check output to inject malicious JavaScript into the Synthetic Monitoring HTML logs, which can then be accessed via a crafted phishing link.
INFO
Published Date :
2026-02-26T10:26:00.127Z
Last Modified :
2026-02-26T14:28:55.683Z
Source :
Checkmk
AFFECTED PRODUCTS
The following products are affected by CVE-2025-64999 vulnerability.
| Vendors | Products |
|---|---|
| Checkmk |
|
REFERENCES
Here, you will find a curated list of external links that provide in-depth information to CVE-2025-64999.
| URL | Resource |
|---|---|
| https://checkmk.com/werk/19238 |
|
CVSS Vulnerability Scoring System
Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Attack Requirements
Privileges Required
User Interaction
VS Confidentiality
VS Integrity
VS Availability
SS Confidentiality
SS Integrity
SS Availability