Nagios XI before 2024R1 was discovered to improperly handle API keys generation (randomly-generated), allowing attackers to possibly generate the same set of API keys for all users and utilize them to authenticate.
SQL Injection vulnerability in Nagios XI 2024R1.01 allows a remote attacker to execute arbitrary code via a crafted payload to the monitoringwizard.php component.
A stored cross-site scripting (XSS) vulnerability in the NOC component of Nagios XI version up to and including 2024R1 allows low-privileged users to execute malicious HTML or JavaScript code via the audio file upload functionality from the Operation Center section. This allows any authenticated user to execute arbitrary JavaScript code on behalf of other users, including the administrators.
DOM-based Cross Site Scripting (XSS vulnerability in 'Tail Event Logs' functionality in Nagios Nagios Cross-Platform Agent (NCPA) before 2.4.0 allows attackers to run arbitrary code via the name element when filtering for a log.
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.