What is CVE-2024-28831?

CVE-2024-28831 is a medium-severity vulnerability in Checkmk, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.4/10. Published 2024-06-25.

How severe is CVE-2024-28831?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Checkmk

CVE-2024-28831

Stored XSS in some confirmation pop-ups in Checkmk before versions 2.3.0p7 and 2.2.0p28 allows Checkmk users to execute arbitrary scripts by injecting HTML elements into some user input fields that are shown in a confirmation pop-up.

EPSS: 0.003 (26.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Checkmk — versions 2.2.0, 2.3.0
Checkmk Gmbh — versions 2.3.0, 2.2.0

Weakness classification (CWE)

CWE-80 — Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
CWE-79 — Cross-site Scripting

References

security@checkmk.com (Vendor Advisory)

Frequently asked questions

What is CVE-2024-28831?: CVE-2024-28831 is a medium-severity vulnerability in Checkmk, classified under Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS). CVSS score: 5.4/10. Published 2024-06-25.
How severe is CVE-2024-28831?: Medium severity. CVSS v3 base score is 5.4 out of 10.