search.php in w-Agora (Web-Agora) allows remote attackers to obtain potentially sensitive information via a ' (quote) value followed by certain SQL sequences in the (1) search_forum or (2) search_user parameter, which force a SQL error.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33177
http://www.securityfocus.com/archive/1/463286/100/0/threaded
http://securityreason.com/securityalert/2462