Ajax call works for logged in users and returns "Bad Request" for guests
126063
simple wordpress ajax plugin not working when not logged in
86214
if(!isset($_POST["user"]) ignored and returns Undefined Index
97144
Request.UserHostAddress issue with return result "::1"
135861
Custom plugin giving: wp-admin/admin-ajax.php 400 (Bad Request)
58411
Guest (not logged in) users can only sort questions with specific tag by newest
29029
How to manage a redirect request after a jQuery Ajax call
15776
Adding admin-ajax.php to the frontend. Good or bad idea?
86754
Can an AJAX response set a cookie?
59711
How do I catch jQuery $.getJSON (or $.ajax with datatype set to 'jsonp') error when using JSONP?
61839
Prevent browser caching of AJAX call result
122228
A potentially dangerous Request.QueryString value was detected from the client when sending html markup from jquery post call to asp.net page
68004
How do HttpOnly cookies work with AJAX requests?
40628
How to make cross-domain AJAX calls to Google Maps API?
102601
Ajax post displaying an inadequate message
83859
Cross origin requests are only supported for HTTP but it's not cross-domain
14333
PHP local server Invalid request (Unexpected EOF)
8845
How to use Servlets and Ajax?