CVE-2021-25299

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    CVE-2021-25299

    Published: 15 Feb 2021Last Modified: 10 Mar 2026

    Summary:

    Details: 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.

    References: http://nagios.com, https://assets.nagios.com/downloads/nagiosxi/versions.php, , 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

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: N/A

    Events:

    Introduced- None
    Fixed -None

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2021-25299 | CVE-DB