How severe is CVE-2018-10554?

CVE-2018-10554 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-2018-10554 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-10554?

CVE-2018-10554 affects Nagios Nagios Xi. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-10554?

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

When was CVE-2018-10554 published?

CVE-2018-10554 was published on 2018-04-30 and last updated on 2026-06-17.

CVE-2018-10554

CVE-2018-10554 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)
CVSS v2: 3.5
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Nagios Nagios Xi
Published: 2018-04-30
Last modified: 2026-06-17

Description

An issue was discovered in Nagios XI 5.4.13. There is XSS exploitable via CSRF in (1) the Schedule New Report screen via the hour, minute, or ampm parameter, related to components/scheduledreporting; (2) includes/components/xicore/downtime.php, related to the update_pages function; (3) the ajaxhelper.php opts or background parameter; (4) the i[] array parameter to ajax_handler.php; or (5) the deploynotification.php title parameter.

Frequently asked questions

What is CVE-2018-10554?: An issue was discovered in Nagios XI 5.4.13. There is XSS exploitable via CSRF in (1) the Schedule New Report screen via the hour, minute, or ampm parameter, related to components/scheduledreporting; (2) includes/components/xicore/downtime.php, related to the update_pages function; (3) the ajaxhelper.php opts or background parameter; (4) the i[] array parameter to ajax_handler.php; or (5) the deploynotification.php title parameter.
How severe is CVE-2018-10554?: CVE-2018-10554 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-2018-10554 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-10554?: CVE-2018-10554 affects Nagios Nagios Xi. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-10554?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-10554 published?: CVE-2018-10554 was published on 2018-04-30 and last updated on 2026-06-17.

References

http://code610.blogspot.com/2018/04/few-bugs-in-latest-nagios-xi-5413.html

Affected products (1)

cpe:2.3:a:nagios:nagios_xi:5.4.13:*:*:*:*:*:*:*

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