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merchant websites
About this tag
This tag covers discussions about merchant websites, particularly focusing on security challenges when integrating third-party payment services like PayPal, Amazon Payments, and Google Checkout. Topics include vulnerabilities in Cashier-as-a-Service (CaaS) models, where merchant applications must coordinate internal states with external cashier services. Examples from leading platforms such as NopCommerce, Interspire, Buy.com, and JR.com highlight real-world risks. The content is relevant for web developers, security researchers, and online store operators concerned with e-commerce security and safe payment integration.
Web applications increasingly integrate third-party services. The integration introduces new security challenges due to the complexity for an application to coordinate its internal states with those of the component services and the web client across the Internet. In this paper, we study the...
caas
cashier-as-a-service
distributed systems
dynamic analysis
e-commerce
fraud prevention
information security
logic flaws
merchantwebsitesmerchants
online shopping
payment methods
payment processing
research
security flaw
security policies
static analysis
third party services
web security
xiaofeng wang