Try switching to the default theme (Twenty Seventeen).
I’m getting the same thing – what appears to be a text box beneath reCAPTCHA. Changing theme to 2017 doesn’t get rid of it.
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This reply was modified 7 years, 10 months ago by
Russell. Reason: Forgot to add about 2017 theme also having same problem
I also noticed an error message from Google reCAPTCHA as follows:
We detected that your site is not verifying reCAPTCHA solutions. This is required for the proper use of reCAPTCHA on your site. Please see our developer site for more information.
I am unsure if this is relevant to this issue, but besides the gray box my reCAPTCHA is set to invisible yet once I select the checkbox I get the image reCAPTCHA popup. I am certain both the site and secret keys are properly issued an integrated on the WP site.
I disabled all plugins and restored one by one to find any conflicts between CF7 and others. Fist off, the gray box disappeared as soon as the plugins are disabled. I believe I enabled all of the required plugins and the gray box did not reappear in every plugin activation. The gray box appeared when I imported theme styles from the other development site and I guess there was some glitch along the way. Anyway, thanks for your advice.