Description
A Cross-site scripting (XSS) vulnerability in Nagios XI version 5.11.1 and below allows authenticated attackers with access to the custom logo component to inject arbitrary javascript or HTML via the alt-text field. This affects all pages containing the navbar including the login page which means the attacker is able to to steal plaintext credentials.
Advisories 1
- WID-SEC-2023-2308 Nagios Enterprises Nagios XI: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 11, 2023