What is CVE-2024-2380?

CVE-2024-2380 is a medium-severity vulnerability in Checkmk, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 4.6/10. Published 2024-04-05.

How severe is CVE-2024-2380?

Medium severity. CVSS v3 base score is 4.6 out of 10.

XSS in Checkmk

CVE-2024-2380

Stored XSS in graph rendering in Checkmk <2.3.0b4.

Published 2024-04-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.6 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (25.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 25th percentile — 25.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Checkmk — versions 2.3.0
Checkmk Gmbh — versions 2.3.0

Weakness classification (CWE)

References

checkmk.com/werk/16618 (Vendor Advisory)

Frequently asked questions

What is CVE-2024-2380?: CVE-2024-2380 is a medium-severity vulnerability in Checkmk, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 4.6/10. Published 2024-04-05.
How severe is CVE-2024-2380?: Medium severity. CVSS v3 base score is 4.6 out of 10.