Multiple SQL injection vulnerabilities in the Simple Ads Manager plugin before 2.7.97 for WordPress allow remote attackers to execute arbitrary SQL commands via a (1) hits[][] parameter in a sam_hits action to sam-ajax.php; the (2) cstr parameter in a load_posts action to sam-ajax-admin.php; the (3) searchTerm parameter in a load_combo_data action to sam-ajax-admin.php; or the (4) subscriber, (5) contributor, (6) author, (7) editor, (8) admin, or (9) sadmin parameter in a load_users action to sam-ajax-admin.php.
https://www.exploit-db.com/exploits/36613/
https://wordpress.org/plugins/simple-ads-manager/changelog/
https://plugins.trac.wordpress.org/changeset/1136202/simple-ads-manager
http://www.securityfocus.com/bid/73698
http://www.securityfocus.com/archive/1/535168/100/0/threaded
http://www.securityfocus.com/archive/1/535165/100/0/threaded