Stored Cross-Site Scripting Vulnerability in Nagios Fusion by Nagios

CVE-2023-53690

What is CVE-2023-53690?

Nagios Fusion versions before 4.2.0 are susceptible to a stored Cross-Site Scripting (XSS) vulnerability within the LDAP/AD authentication server configuration. This flaw arises from the processing of unsanitized user input, which can be stored in the system and rendered in the administrative user interface. As a result, when an affected page is accessed, malicious JavaScript can execute within the browser of any user viewing that page. An attacker with the ability to add authentication servers through LDAP/AD integration could embed a malicious payload that would subsequently execute in the context of other users' browsers, amplifying the potential impact of this vulnerability.

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