An issue was found in Nagios XI before 5.7.3. There is a privilege escalation vulnerability in backend scripts that ran as root where some included files were editable by nagios user. This issue was fixed in version 5.7.3.

Graph Explorer in Nagios XI before 5.7.2 allows XSS via the link url option.

In Nagios XI before 5.7.3, ajaxhelper.php allows remote authenticated attackers to execute arbitrary commands via cmdsubsys.

Nagios XI before 5.6.6 allows remote command execution as root. The exploit requires access to the server as the nagios user, or access as the admin user via the web interface. The getprofile.sh script, invoked by downloading a system profile (profile.php?cmd=download), is executed as root via a passwordless sudo entry; the script executes check_plugin, which is owned by the nagios user. A user logged into Nagios XI with permissions to modify plugins, or the nagios user on the server, can modify the check_plugin executable and insert malicious commands to execute as root.

Nagios XI before 5.5.4 has XSS in the auto login admin management page.

An Insufficient Access Control vulnerability (leading to credential disclosure) in coreconfigsnapshot.php (aka configuration snapshot page) in Nagios XI before 5.5.4 allows remote attackers to gain access to configuration files containing confidential credentials.

A cross-site scripting vulnerability exists in Nagios XI before 5.5.4 via the 'name' parameter within the Account Information page. Exploitation of this vulnerability allows an attacker to execute arbitrary JavaScript code within the auto login admin management page.

Cross-site scripting (XSS) vulnerability in Nagios XI before 5.5.11 allows attackers to inject arbitrary web script or HTML via the xiwindow parameter.

Privilege escalation in Nagios XI before 5.5.11 allows local attackers to elevate privileges to root via write access to config.inc.php and import_xiconfig.php.

SQL injection vulnerability in Nagios XI before 5.5.11 allows attackers to execute arbitrary SQL commands via the API when using fusekeys and malicious user id.

Command injection in Nagios XI before 5.5.11 allows an authenticated users to execute arbitrary remote commands via a new autodiscovery job.

An issue was discovered in Nagios XI before 5.5.8. The rss_url parameter of rss_dashlet/magpierss/scripts/magpie_slashbox.php is not filtered, resulting in an XSS vulnerability.

An issue was discovered in Nagios XI before 5.5.8. The url parameter of rss_dashlet/magpierss/scripts/magpie_simple.php is not filtered, resulting in an XSS vulnerability.

A SQL injection issue was discovered in Nagios XI before 5.4.13 via the admin/menuaccess.php chbKey1 parameter.

A SQL injection issue was discovered in Nagios XI before 5.4.13 via the admin/logbook.php txtSearch parameter.

A SQL injection issue was discovered in Nagios XI before 5.4.13 via the admin/info.php key1 parameter.

A SQL injection issue was discovered in Nagios XI before 5.4.13 via the admin/commandline.php cname parameter.

A privilege escalation vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to leverage an RCE vulnerability escalating to root.

Remote command execution (RCE) vulnerability in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary commands on the target system, aka OS command injection.

SQL injection vulnerability in the core config manager in Nagios XI 5.2.x through 5.4.x before 5.4.13 allows an attacker to execute arbitrary SQL commands via the selInfoKey1 parameter.