CVE-2020-36858

Medium

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.

SeverityMedium

CVSS5.4

Exploit probability—

ProductNagios Log Server

PublishedOct 30, 2025

First seenOct 30, 2025

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

nagios log_server2.1.6 or later

Patches

nagios.com/changelog/nagios-log-server-2024r1/

Affected products

Product	Affected versions	Fixed in
nagios log_server	v < 2.1.6	2.1.6

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