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Global ransomware → Financial Services / Cybersecurity CRITICAL 21m Global vulnerability → Information Technology / Cybersecurity CRITICAL 2h Global malware → Energy and Utilities CRITICAL 2h Global ransomware → Multiple sectors CRITICAL 3h Global vulnerability → Industrial Control Systems / IoT / Infrastructure CRITICAL 5h Global supply_chain → Information Technology and Critical Infrastructure CRITICAL 6h Global phishing → Multiple sectors HIGH 6h Global insider → Cybersecurity Services CRITICAL 6h Global ransomware → Multiple sectors (U.S. companies) CRITICAL 7h Global malware → Financial Services, Cryptocurrency CRITICAL 7h Global ransomware → Financial Services / Cybersecurity CRITICAL 21m Global vulnerability → Information Technology / Cybersecurity CRITICAL 2h Global malware → Energy and Utilities CRITICAL 2h Global ransomware → Multiple sectors CRITICAL 3h Global vulnerability → Industrial Control Systems / IoT / Infrastructure CRITICAL 5h Global supply_chain → Information Technology and Critical Infrastructure CRITICAL 6h Global phishing → Multiple sectors HIGH 6h Global insider → Cybersecurity Services CRITICAL 6h Global ransomware → Multiple sectors (U.S. companies) CRITICAL 7h Global malware → Financial Services, Cryptocurrency CRITICAL 7h Global ransomware → Financial Services / Cybersecurity CRITICAL 21m Global vulnerability → Information Technology / Cybersecurity CRITICAL 2h Global malware → Energy and Utilities CRITICAL 2h Global ransomware → Multiple sectors CRITICAL 3h Global vulnerability → Industrial Control Systems / IoT / Infrastructure CRITICAL 5h Global supply_chain → Information Technology and Critical Infrastructure CRITICAL 6h Global phishing → Multiple sectors HIGH 6h Global insider → Cybersecurity Services CRITICAL 6h Global ransomware → Multiple sectors (U.S. companies) CRITICAL 7h Global malware → Financial Services, Cryptocurrency CRITICAL 7h
Vulnerabilities ›

CVE-2025-64999

Medium
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 t
CWE-79 — Weakness Type
Published: Feb 26, 2026  ·  Modified: Mar 5, 2026  ·  Source: NVD
CVSS v3
5.4
🔗 NVD Official
📄 Description (English)

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.

🤖

Queued for AI Analysis

This CVE will be auto-analyzed on the next cron run.

📦 Affected Products / CPE 50 entries
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.3.0
checkmk:checkmk:2.4.0
📊 CVSS Score
5.4
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionR — Required
ScopeC — Changed
ConfidentialityL — Low / Local
IntegrityL — Low / Local
AvailabilityN — None / Network
📋 Quick Facts
Severity Medium
CVSS Score5.4
CWECWE-79
Exploit No
Patch ✗ No
Published 2026-02-26
Source Feed nvd
Views 3
🏷️ Tags
CWE-79
🏢 Vendor Advisories
🔗 https://checkmk.com/werk/19238
⚡ Actions
🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details
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