Directory traversal vulnerability in EspoCRM before 2.6.0 allows remote attackers to include and execute arbitrary local files via a .. (dot dot) in the action parameter to install/index.php.
install/index.php in EspoCRM before 2.6.0 allows remote attackers to re-install the application via a 1 value in the installProcess parameter.
Cross-site scripting (XSS) vulnerability in EspoCRM before 2.6.0 allows remote attackers to inject arbitrary web script or HTML via the desc parameter in an errors action to install/index.php.