Description
The "NagVis" component within Checkmk is vulnerable to reflected cross-site scripting. An attacker can craft a malicious link that will execute arbitrary JavaScript in the context of the browser once clicked. The attack can be performed on both authenticated and unauthenticated users.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Checkmk NagVis
Default version status: unaffected
NagVis 1.9.40 to < 1.9.42affectedCheckmk 2.3.0p2 to < 2.3.0p10affected
References
- https://korelogic.com/Resources/Advisories/KL-001-2025-001.txt ↗
- https://www.nagvis.org/downloads/changelog/1.9.42 ↗
- https://checkmk.com/werks?version=2.3.0p10 ↗
- http://seclists.org/fulldisclosure/2025/Feb/3 ↗
- http://www.openwall.com/lists/oss-security/2025/02/04/3 ↗
- https://lists.debian.org/debian-lts-announce/2025/05/msg00000.html ↗