The Bigware shop software prior to version 2.17 contains a SQL injection, resulting in full database compromise. The injection point is the POST parameter 'pollid' in the module main_bigware_54.php.
Proof of concept is at: http://files.dw-itsecurity.de/54.zip
Time line:
01/23/2012: Vendor contacted
01/24/2012: Vendor response
04/16/2012: Vendor patch release
06/05/2012: Disclosure