The Node Quick Find module 6.x-1.1 for Drupal does not use db_rewrite_sql when presenting node titles, which allows remote attackers to bypass intended access restrictions and read potentially sensitive node titles via the autocomplete feature.
https://exchange.xforce.ibmcloud.com/vulnerabilities/66604
http://www.securityfocus.com/bid/47238
http://secunia.com/advisories/44046
http://drupal.org/node/1118408