Security Vulnerabilities
Nagios XI versions prior to 5.2.4 are vulnerable to cross-site scripting (XSS) via the “My Reports” listing of the web interface. 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.
CVSS Score
5.4
EPSS Score
0.004
Published
2025-10-30
Nagios Fusion versions prior to 4.0.1 are vulnerable to cross-site scripting (XSS) via the Users and Servers 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.
CVSS Score
6.1
EPSS Score
0.004
Published
2025-10-30
Nagios Fusion versions prior to 4.1.5 are vulnerable to cross-site scripting (XSS) via the "fusionwindow" parameter. 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.
CVSS Score
6.1
EPSS Score
0.004
Published
2025-10-30
Nagios XI versions prior to 5.4.13 are vulnerable to cross-site scripting (XSS) via the Views page of the web interface. 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.
CVSS Score
5.4
EPSS Score
0.004
Published
2025-10-30
Nagios XI versions prior to 5.4.13 contain a remote code execution vulnerability in the Component Download page. The download/import handler used unsafe command construction with attacker-controlled input and lacked sufficient validation and output encoding, allowing an authenticated user to inject commands or otherwise execute arbitrary code with the privileges of the application service.
CVSS Score
8.8
EPSS Score
0.011
Published
2025-10-30
Nagios XI versions prior to 5.5.7 contain a privilege escalation vulnerability in the MRTG graphing component. MRTG-related processes/scripts executed with excessive privileges, allowing a local attacker with limited system access to abuse file/command execution paths or writable resources to gain elevated privileges.
CVSS Score
7.8
EPSS Score
0.0
Published
2025-10-30
Nagios XI versions prior to 2012R1.6 contain a reflected cross-site scripting (XSS) vulnerability in the dashboard dashlet AJAX load functionality. 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.
CVSS Score
6.1
EPSS Score
0.004
Published
2025-10-30
Nagios XI versions prior to 2012R1.6 contain an authorization flaw in the Auto-Discovery functionality. Users with read-only roles could directly reach Auto-Discovery endpoints and pages that should require elevated permissions, exposing discovery results and allowing unintended access to discovery operations.
CVSS Score
6.5
EPSS Score
0.001
Published
2025-10-30
Nagios XI versions prior to 2012R1.6 contain a shell command injection vulnerability in the Auto-Discovery tool. User-controlled input is passed to a shell without adequate sanitation or argument quoting, allowing an authenticated user with access to discovery functionality to execute arbitrary commands with the privileges of the application service.
CVSS Score
8.8
EPSS Score
0.017
Published
2025-10-30
Nagios XI versions prior to 2012R2.6 are vulnerable to cross-site scripting (XSS) via the Tools Menu of the web interface. 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.
CVSS Score
5.4
EPSS Score
0.004
Published
2025-10-30