CVE-2018-17146

FAUCET Score

CVE-2018-17146 is a cross-site scripting (XSS) vulnerability affecting Nagios XI versions prior to 5.5.4, specifically within the 'name' parameter on the Account Information page. This medium-severity vulnerability (CVSS 5.4) allows an authenticated attacker to execute arbitrary JavaScript code in the auto-login admin management page through user interaction. While the potential impact includes limited confidentiality and integrity compromise, there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB), and it is not listed on the KEV catalog. Community discussion and media coverage for this CVE are minimal.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 5.5.4CPE matchmatch criteria	cpe:2.3:a:nagios:nagios_xi::::::::

CVSS Data

CVSS version used by this source: 3.0

5.4MEDIUM

CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

2.3

Impact Score

2.7

CvssVersion

3.0

Exploit Intelligence

EPSS Score

3.61%

Probability of exploitation in next 30 days

EPSS Percentile

88.3%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0361 is in the 99th percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2018-17146Moderate

Nagios-XI: cross-site scripting via 'name' parameter in Account Information page

Jun 19, 2019

References

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

Release NotesVendor Advisory