What is CSRF
The user logged into website A and then visited malicious website B. B website pretends to be A website making requests and uses the user's login status to do bad things.
Difference from XSS
XSS is stealing users' identities; CSRF is impersonating a user to make requests. XSS is injection script, CSRF is forged request.
Defense methods
CSRF Token； Referer verification; SameSite Cookie； Secondary confirmation of sensitive operations.
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