The node selection interface in the WYSIWYG editor (CKEditor) in the Node Embed module 6.x-1.x before 6.x-1.5 and 7.x-1.x before 7.x-1.0 for Drupal does not properly check permissions, which allows remote attackers to bypass intended access restrictions and read node titles.
https://exchange.xforce.ibmcloud.com/vulnerabilities/76148
http://www.securityfocus.com/bid/53835
http://www.openwall.com/lists/oss-security/2012/06/14/3
http://secunia.com/advisories/48348
http://drupal.org/node/1619824