CVE-2024-28831

MEDIUMNVD 5.45.4—

5.4

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.

CVSS v3: 5.4
EG Score: 5.4(medium)
EPSS: 76.8%
KEV: Not listed

Published

June 25, 2024

Last Modified

December 4, 2024

References (2)

security@checkmkhttps://checkmk.com/werk/17025
af854a3a-2127-422b-91ae-364da2661108https://checkmk.com/werk/17025

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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2026-05-31 00:15 UTCepss_batch
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2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-28 13:44 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-27 13:40 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch

Frequently asked(5)

What is CVE-2024-28831?

CVE-2024-28831 is a medium vulnerability published on June 25, 2024. 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.

When was CVE-2024-28831 disclosed?

CVE-2024-28831 was first published in the National Vulnerability Database on June 25, 2024, with the most recent update on December 4, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2024-28831 actively exploited?

CVE-2024-28831 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 76.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2024-28831?

CVE-2024-28831 has a CVSS v3 base score of 5.4 (NVD).

How do I remediate CVE-2024-28831?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2024-28831, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2024-28831

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2024-28831?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)