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CVE-2021-25299

Description

Nagios XI version xi-5.7.5 is affected by cross-site scripting (XSS). The vulnerability exists in the file /usr/local/nagiosxi/html/admin/sshterm.php due to improper sanitization of user-controlled input. A maliciously crafted URL, when clicked by an admin user, can be used to steal his/her session cookies or it can be chained with the previous bugs to get one-click remote command execution (RCE) on the Nagios XI server.

POC

Reference

- http://packetstormsecurity.com/files/161561/Nagios-XI-5.7.5-Remote-Code-Execution.html

- https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs/blob/main/README.md

Github

- https://github.com/ARPSyndicate/cve-scores

- https://github.com/ARPSyndicate/kenzer-templates

- https://github.com/fs0c-sh/nagios-xi-5.7.5-bugs