An issue was discovered in DataLife Engine (DLE) through 13.0. An attacker can use XSS (related to the /addnews.html and /index.php?do=addnews URIs) to send a malicious script to unsuspecting Admins or users.
DataLife Engine (DLE) 9.7 allows remote attackers to execute arbitrary PHP code via the catlist[] parameter to engine/preview.php, which is used in a preg_replace function call with an e modifier.