How severe is CVE-2024-42898?

CVE-2024-42898 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-42898 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-42898?

CVE-2024-42898 affects Nagios Nagios Xi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-42898?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-42898 have an EU (EUVD) identifier?

Yes. CVE-2024-42898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39535.

When was CVE-2024-42898 published?

CVE-2024-42898 was published on 2025-01-09 and last updated on 2026-06-17.

CVE-2024-42898

CVE-2024-42898 is a medium-severity vulnerability in Nagios Nagios Xi with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-39535
Weakness: CWE-79
Affected product: Nagios Nagios Xi
Published: 2025-01-09
Last modified: 2026-06-17

Description

A cross-site scripting (XSS) vulnerability in Nagios XI 2024R1.1.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Name parameter in the Account Settings page.

Frequently asked questions

What is CVE-2024-42898?: A cross-site scripting (XSS) vulnerability in Nagios XI 2024R1.1.4 allows attackers to execute arbitrary web scripts or HTML via a crafted payload injected into the Name parameter in the Account Settings page.
How severe is CVE-2024-42898?: CVE-2024-42898 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-42898 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-42898?: CVE-2024-42898 affects Nagios Nagios Xi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-42898?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-42898 have an EU (EUVD) identifier?: Yes. CVE-2024-42898 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-39535.
When was CVE-2024-42898 published?: CVE-2024-42898 was published on 2025-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:nagios:nagios_xi:2024:r1.1.4:*:*:*:*:*:*

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