Don’t allow form submissions that contain prohibited keywords

Thousands of websites face spam and hacking attempts through forms. To combat this, various captchas, plugins, etc. are used. Unfortunately, such solutions do not always cope and load the site with additional external scripts, etc.

Proposal for improving the security of the plugin:

• add a Banned Keywords tab for the form, where you can write 1 word per line in the textarea;
• when clicking the “Submit” button, perform a check, if there is a word from the list, a message is displayed to the user that sending is prohibited