Cross-site scripting (XSS) vulnerability in webmail.php in SquirrelMail before 1.4.4 allows remote attackers to inject arbitrary web script or HTML via certain integer variables.
PHP remote file inclusion vulnerability in webmail.php in SquirrelMail before 1.4.4 allows remote attackers to execute arbitrary PHP code by modifying a URL parameter to reference a URL on a remote web server that contains the code.