CVE-2020-36858

Nagios Log Server < 2.1.6 XSS via Create User, Edit User, & Manage Host Lists Pages

State: Published
Severity: 5.1 Medium
Published: Oct 30, 2025
Updated: Nov 17, 2025
Reserved: Oct 28, 2025

Description

Nagios Log Server versions prior to 2.1.6 contain cross-site scripting (XSS) vulnerabilities via the web interface on the Create User, Edit User, and Manage Host Lists pages. Insufficient validation or escaping of user-supplied input may allow an attacker to inject and execute arbitrary script in the context of a victim's browser.

Scores

CVSS	Score	Vector	Source
4.0	5.1 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N	VulnCheck

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')

Affected Products

Product	Versions
Log ServerNagios	before 2.1.6Affected

References

https://www.nagios.com/changelog/nagios-log-server-2024r1/release-notespatch
https://www.vulncheck.com/advisories/nagios-log-server-xss-via-create-user-edit-user-and-manage-host-lists-pagesthird-party-advisory

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