CVE-2013-4662
The Quick Search API in CiviCRM 4.2.0 through 4.2.9 and 4.3.0 through 4.3.3 allows remote authenticated users to bypass the validation layer and conduct SQL injection attacks via a direct request to the "second layer" of the API, related to contact.getquick.
Date published : 2014-01-29
http://issues.civicrm.org/jira/browse/CRM-12765
https://civicrm.org/advisory/civi-sa-2013-004-limited-sql-injection-quick-search-api