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Global vulnerability → Enterprise Software and Database Management CRITICAL 2h Global vulnerability → Information Technology CRITICAL 2h Global malware → Financial Services HIGH 2h Global vulnerability → Technology/Software CRITICAL 3h Global vulnerability → Information Technology HIGH 3h Global data_breach → Government CRITICAL 12h Global ransomware → Financial Services / Cybersecurity CRITICAL 13h Global vulnerability → Information Technology / Cybersecurity CRITICAL 15h Global malware → Energy and Utilities CRITICAL 16h Global ransomware → Multiple sectors CRITICAL 16h Global vulnerability → Enterprise Software and Database Management CRITICAL 2h Global vulnerability → Information Technology CRITICAL 2h Global malware → Financial Services HIGH 2h Global vulnerability → Technology/Software CRITICAL 3h Global vulnerability → Information Technology HIGH 3h Global data_breach → Government CRITICAL 12h Global ransomware → Financial Services / Cybersecurity CRITICAL 13h Global vulnerability → Information Technology / Cybersecurity CRITICAL 15h Global malware → Energy and Utilities CRITICAL 16h Global ransomware → Multiple sectors CRITICAL 16h Global vulnerability → Enterprise Software and Database Management CRITICAL 2h Global vulnerability → Information Technology CRITICAL 2h Global malware → Financial Services HIGH 2h Global vulnerability → Technology/Software CRITICAL 3h Global vulnerability → Information Technology HIGH 3h Global data_breach → Government CRITICAL 12h Global ransomware → Financial Services / Cybersecurity CRITICAL 13h Global vulnerability → Information Technology / Cybersecurity CRITICAL 15h Global malware → Energy and Utilities CRITICAL 16h Global ransomware → Multiple sectors CRITICAL 16h

Vulnerabilities ›

CVE-2026-33276

Medium

Stored cross-site scripting (XSS) in Checkmk 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create hosts or services to execute arbitrary JavaScript in the browsers of other

CWE-79 — Weakness Type

                    Published: Mar 31, 2026                      ·  Modified: Apr 2, 2026                      ·  Source: NVD                

CVSS v3

5.4

🔗 NVD Official

📄 Description (English)

Stored cross-site scripting (XSS) in Checkmk 2.5.0 (beta) before 2.5.0b2 allows authenticated users with permission to create hosts or services to execute arbitrary JavaScript in the browsers of other users performing searches in the Unified Search feature.

🤖

Queued for AI Analysis

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

🔗 References & Sources 1

https://checkmk.com/werk/19525

security@checkmk.com

Vendor Advisory

📦 Affected Products / CPE 1 entries

checkmk:checkmk:2.5.0

📊 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

EPSS0.03%

Exploit No

Patch ✗ No

Published 2026-03-31

Source Feed nvd

Views 1

🏷️ Tags

CWE-79

🏢 Vendor Advisories

🔗 https://checkmk.com/werk/19525

⚡ Actions

🔗 NVD Official Page ⚡ Exploit-DB Search 🐙 GitHub PoC Search 🎯 MITRE ATT&CK 📊 CVE Details

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