CVE-2025-39663— Cross Site Scripting through compromised remote site
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I. Basic Information for CVE-2025-39663
Vulnerability Information
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Vulnerability Title
Cross Site Scripting through compromised remote site
Source: NVD (National Vulnerability Database)
Vulnerability 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).
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
Web页面中脚本相关HTML标签转义处理不恰当(基本跨站脚本)
Source: NVD (National Vulnerability Database)
Vulnerability Title
Checkmk 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Checkmk是Checkmk公司的一个 IT 监控平台。 Checkmk 2.4.0p14之前版本、2.3.0p39之前版本、2.2.0版本和2.1.0版本存在安全漏洞，该漏洞源于远程站点可注入恶意HTML代码，可能导致跨站脚本攻击。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Checkmk GmbH | Checkmk | 2.4.0 ~ 2.4.0p14 | - |
II. Public POCs for CVE-2025-39663
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
Same product: Checkmk
- CVE-2026-33457
Potential livestatus injection in prediction graph page - CVE-2026-33456
Potential livestatus injection in notification test - CVE-2026-33455
Livestatus injection in monitoring quicksearch - CVE-2025-39666
omd: Local privilege escalation when executing omd commands - CVE-2026-3466
Cross-site scripting in dashlet title
Same vendor: Checkmk GmbH
- CVE-2026-33457
Potential livestatus injection in prediction graph page - CVE-2026-33456
Potential livestatus injection in notification test - CVE-2026-33455
Livestatus injection in monitoring quicksearch - CVE-2025-39666
omd: Local privilege escalation when executing omd commands - CVE-2026-3466
Cross-site scripting in dashlet title
Same weakness: CWE-80
- CVE-2021-47948
WordPress GetPaid Plugin 2.4.6 HTML Injection via Help Text - CVE-2026-42030
MapServer: Improper Neutralization of Script-Related HTML Ta - CVE-2026-44264
Weblate is vulnerable to XSS via crafted Markdown - CVE-2026-6002
HTML Injection in DivvyDrive Information Technologies' Divvy - CVE-2025-59854
HCL DFXAnalytics is affected by an Insecure Security Header
V. Comments for CVE-2025-39663
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