Cross-site scripting (XSS) vulnerability in the Download Manager plugin before 2.5.9 for WordPress allows remote attackers to inject arbitrary web script or HTML via the title field.
https://exchange.xforce.ibmcloud.com/vulnerabilities/89524
http://www.wpdownloadmanager.com/support/topic/security-issue-found-who-to-contact
http://www.securityfocus.com/bid/64159
http://www.nerdbox.it/wordpress-download-manager-xss
http://www.exploit-db.com/exploits/30105