Multiple PHP remote file inclusion vulnerabilities in DataLife Engine (DLE) 8.3 allow remote attackers to execute arbitrary PHP code via a URL in (1) the selected_language parameter to engine/inc/include/init.php, (2) the config[langs] parameter to engine/inc/help.php, (3) the config[lang] parameter to engine/ajax/pm.php, (4) and the _REQUEST[skin] parameter to engine/ajax/addcomments.php.