Retailers, including the official Sesame Street store, have been targeted by a hack that can steal credit card details.
At the time of writing Volusion, who provide thousands of companies with shopping cart software, had not responded to the reports or acted on the issue.
Users who may be worried about their credit card details following these reports can follow similar advice issued by the NCSC when Ticketmaster UK were affected by malicious software on a product hosted by a third-party supplier.
Duncan is a technology professional with over 20 years experience of working in various IT roles. He has a interest in cyber security, and has a wide range of other skills in radio, electronics and telecommunications.