Just found out that reCaptcha actually rejects CAPTCHAs which are submitted to their server more than once. Since I was using the WP-reCAPTCHA plugin, the plugin resubmitted the CAPTCHA after my AJAX submission. So I just commented out a line from the plugin that does the submission, which is in file recaptcha.php, line 27: $this->register_filters();
The definitive solution with session is.. do not use session. As example in your form, you can output 3 fields: an image field -> the captcha image a text field -> to allow users to insert the characters an hidden field -> contain the solution but encripted using wp_create_nonce In this way when the form … Read more
I use the SI CAPTCHA Anti-Spam Plugin in combination with protecting the Site with Cloudflare. Got rid of 99,9% of the Registrationspam, from over a thousand a day to 1-2 a day.
Gravity form built in Captcha
How to add re-captcha to wordpress search?
Submit form after reCaptcha is solved
Adding Re Captcha to your site [closed]
There’s a preprocess_comment filter that is run before the comment is inserted in the database. You will have access to the comment’s data: add_filter( ‘preprocess_comment’ , ‘wpse321083_process_recaptcha’ ); function wpse321083_process_recaptcha( $commentdata ) { // Process recaptcha here return $commentdata; } Here’s also a good article on SitePoint.com explaining how to implement this feature in your … Read more
Tip A URL can be used as a filename with this function if the fopen wrappers have been enabled. See fopen() for more details on how to specify the filename. See the Supported Protocols and Wrappers for links to information about what abilities the various wrappers have, notes on their usage, and information on any … Read more
The cforms WordPress Plugin you’re using is not properly sanitizing input variables prior use, that’s why you get the warnings. You can either fix the problem your own if you’re a coder, or report the issue to the plugin author and discuss if she can fix it. But from what I googled, there is another … Read more