New User Registrations on Wordpress a security risk?

Geared

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Jul 1, 2015
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Hey guys,

So I have an ecommerce website which uses Wordpress and Woo-commerce. I've had it operational for about a month, but have just done a heap of work to it over this past weekend. Now all of a sudden I'm getting emails that people are signing up but they are all from the same website apart from a few with yahoo addresses. The email addresses are mostly from Rachelsreelreviews I must have had 20-30 different emails from that site signing up. Should I be worried about this?

Thanks,
 
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