CVE-2018-17146

Severity: medium (CVSS 5.4 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2019-06-19 · updated 2026-06-17
Weakness: CWE-79

Description

A cross-site scripting vulnerability exists in Nagios XI before 5.5.4 via the 'name' parameter within the Account Information page. Exploitation of this vulnerability allows an attacker to execute arbitrary JavaScript code within the auto login admin management page.

Affected products

Nagios XI: before 5.5.4 — fixed in 5.5.4

How to fix

Upgrade to a fixed version: Nagios XI 5.5.4. Check the vendor advisory for mitigations.

References

https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT
https://assets.nagios.com/downloads/nagiosxi/CHANGES-5.TXT

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