The task is to automatically fill in the form fields, confirm the captcha and send the data. It is necessary to automate this task with the exception of confirming the captcha. Google's NoCaptche user will confirm on our site. Question: how in theory can this be done?
localStorage, but there is already a security problem, you will have to generate a key for the user so that it cannot be changed. I do not see a problem in the implementation of this - Vasily Barbashev