Cross-site scripting (XSS) vulnerability in index.php in phpSysInfo 2.5.4-dev and earlier allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO.
Directory traversal vulnerability in index.php in phpSysInfo 2.5.1 allows remote attackers to determine the existence of arbitrary files via a .. (dot dot) sequence and a trailing null (%00) byte in the lng parameter, which will display a different error message if the file exists.