CVE

CVE-2021-25299

6.1

CVSS

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.

Attack Vector

Privileges Req.

User Interaction

Updated Sep 18, 2026View on NVD →

S4E scanner

mediumProduct Based Web Vulnerabilities~10 seconds

CVE-2021-25299 Scanner

CVE-2021-25299 scanner - Cross-Site Scripting (XSS) vulnerability in Nagios XI

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