Do not think that you are not vulnerable just because you don’t use NextGEN Gallery or WordPress – the fact is that ALL software can be hacked. If the US government and major corporations can get hacked, be assured that you are a much easier target. If you have an ecommerce website you must take responsibility for it. Here are a couple of recent issues you need to be aware of.
Researchers find “severe” flaw in WordPress plugin with 1 million installs
Per ARS Technica:
More than 1 million websites running the WordPress content management system may be vulnerable to hacks that allow visitors to snatch password data and secret keys out of databases, at least under certain conditions. […]