PHP remote file inclusion vulnerability in index.php for GONiCUS System Administrator (GOsa) 1.0 allows remote attackers to execute arbitrary PHP code via the plugin parameter to (1) 3fax/1blocklists/index.php; (2) 6departamentadmin/index.php, (3) 5terminals/index.php, (4) 4mailinglists/index.php, (5) 3departaments/index.php, and (6) 2groupd/index.php in 2administration/; or (7) the base parameter to include/help.php.