Based on the information provided, a type of attack which the website was vulnerable to is referred to as a Cross-site Request Forgery (XSRF).
Vulnerability can be defined as any form of weakness, flaw or defect that is found in a computer system, software application, website, or network, which can be exploited by an attacker or a hacker, in order to gain an unauthorized access and privileges to sensitive user data (information) that are stored in a computer system.
A website can be defined as a collective name which connotes a series of webpages that are interconnected and linked together with the same domain name, so as to provide certain information to end users.
Based on the information provided, we can infer and logically deduce that a type of attack which the website was vulnerable to is referred to as a Cross-site Request Forgery (XSRF).
Read more on vulnerability here: brainly.com/question/25813524
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