@Inogic  - From the look of it, you have added recaptcha at the browser side via javascript. But, how are you validating the same at the power pages server side? What if the user removes the recaptcha from the browser or uses the console to set captchaResponse variable to True?

 

In other words, how are you verifying the recaptcha at the power pages backend as specified here - Verifying the user's response  |  reCAPTCHA  |  Google for Developers