CVE-2018-25119

CVE-2018-25119 affects Nagios Fusion versions prior to 4.1.5. The issue is a cross-site scripting (XSS) vulnerability due to insufficient validation/escaping of the fusionwindow parameter, allowing attacker-supplied script to run in a victim’s browser. Affected software is disclosed across multip...

CVE-2018-25119 Nagios Fusion < 4.1.5 XSS via fusionwindow Parameter

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...

CVE-2023-53689 Nagios Fusion < 4.2.0 License Information Reflected XSS

Nagios Fusion versions prior to 4.2.0 contain a reflected cross-site scripting XSS vulnerability in the license key configuration flow that can result in execution of attacker-controlled script in the browser of a user who follows a crafted URL. While the application server itself is not directly...

CVE-2023-53689

Nagios Fusion

CVE-2023-53689 Nagios Fusion < 4.2.0 License Information Reflected XSS

Nagios Fusion versions prior to 4.2.0 contain a reflected cross-site scripting XSS vulnerability in the license key configuration flow that can result in execution of attacker-controlled script in the browser of a user who follows a crafted URL. While the application server itself is not directly...

CVE-2023-53690 Nagios Fusion < 4.2.0 LDAP/AD Integration Stored XSS

Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting XSS vulnerability in the LDAP/AD authentication-server configuration. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views th...

CVE-2023-53690

Nagios Fusion (versions prior to 4.2.0) is affected by a stored XSS vulnerability in the LDAP/AD authentication-server configuration. The flaw arises from unsanitized input that can be stored and later rendered in the administrative UI, causing JavaScript execution in users’ browsers when viewing...

CVE-2023-53690 Nagios Fusion < 4.2.0 LDAP/AD Integration Stored XSS

Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting XSS vulnerability in the LDAP/AD authentication-server configuration. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views th...

CVE-2023-7312 Nagios Fusion < 4.2.0 Email Settings Stored XSS via SMTP/sendmail

Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting XSS vulnerability when adding or configuring Email Settings. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views the affecte...

CVE-2023-7312

Nagios Fusion is affected by a stored XSS in Email Settings for versions prior to 4.2.0. The vulnerability arises from insufficient input sanitization, allowing unsanitized input to be stored and later rendered in the administrative UI, enabling JavaScript execution in the browsers of users viewi...

CVE-2023-7312 Nagios Fusion < 4.2.0 Email Settings Stored XSS via SMTP/sendmail

Nagios Fusion versions prior to 4.2.0 contain a stored cross-site scripting XSS vulnerability when adding or configuring Email Settings. Unsanitized user input can be stored and later rendered in the administrative UI, causing JavaScript to execute in the browser of any user who views the affecte...

CVE-2025-34269

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CVE-2025-34269

This CVE-2025-34269 entry concerns Nagios Fusion prior to R2.1, where the application does not require re-authentication or session rotation after a user enables 2FA. A valid session may persist after 2FA is enabled, enabling potential persistent account takeover and undermining the legitimate us...

CVE-2025-34269

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CVE-2025-34249

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CVE-2025-34249

CVE-2025-34249 relates to Nagios Fusion prior to 2024R2.1 and describes a brute-force bypass of the 2FA implementation due to inadequate rate limiting/account lockout, enabling repeated second-factor attempts and potential authentication compromise. Red Hat and ENISA references corroborate a 2FA ...

CVE-2025-34249

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PT-2025-44512

Name of the Vulnerable Software and Affected Versions Nagios Fusion versions prior to R2.1 Description The application does not require re-authentication or session rotation when a user enables two-factor authentication 2FA. This allows an attacker who has obtained a valid session to continue usi...

PT-2025-44542

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...

PT-2025-44461

Name of the Vulnerable Software and Affected Versions Nagios Fusion versions prior to 2024R2.1 Description The application lacks proper rate limiting or account lockout mechanisms for repeated failed Two-Factor Authentication 2FA verification attempts. This allows a remote attacker to repeatedly...