CVEvulnerability

CVE-2025-39663

8.5 HIGH Published 2025-10-30 Modified 2026-10-19 Official page ↗
Status
Analyzed
Published
2025-10-30
Last modified
2026-10-19
Assigner
[email protected]
CVSS 4.0 ([email protected])
8.5 HIGH — CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1 ([email protected])
8.4 HIGH — CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:H/A:H
Weaknesses
CWE-79, CWE-80

Description

Cross-Site Scripting (XSS) vulnerability in Checkmk's distributed monitoring allows a compromised remote site to inject malicious HTML code into service outputs in the central site. Affecting Checkmk before 2.4.0p14, 2.3.0p39, 2.2.0 and 2.1.0 (eol).

Affected configurations

• checkmk checkmk (>= 2.0.0 < 2.3.0) • checkmk checkmk 2.3.0 • checkmk checkmk 2.4.0

Related

Weakness · CWE (2)

  • CWE-79 Improper Neutralization of Input During Web Page Generation weakness
  • CWE-80 Improper Neutralization of Script-Related HTML Tags in a Web Page weakness

References