CVE-2026-33276

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.

CVSS v3 5.4 MEDIUM

5.4^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.3 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://checkmk.com/werk/19525	Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:checkmk:checkmk:2.5.0:b1:*:*:*:*:*:*

History

02 Apr 2026, 12:05

Type	Values Removed	Values Added
References	~~() https://checkmk.com/werk/19525 -~~	() https://checkmk.com/werk/19525 - Vendor Advisory
First Time		Checkmk Checkmk checkmk
CPE		cpe:2.3:a:checkmk:checkmk:2.5.0:b1::::::
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.4

31 Mar 2026, 15:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-03-31 15:16

Updated : 2026-04-02 12:05

NVD link : CVE-2026-33276

Mitre link : CVE-2026-33276

CVE.ORG link : CVE-2026-33276

JSON object : View

Products Affected

checkmk

checkmk

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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