Should I check for privileges before hooking into `wp_ajax_$handle` or after?

Should I check for privileges before hooking into `wp_ajax_$handle` or after?

Related Posts:

  1. WordPress Ajax Data Security
  2. Nonces and Cache
  3. Is it safe to assume that a nonce may be validated more than once?
  4. Multiple ajax nonce requests
  5. Nonces, AJAX, script variables & security in WordPress
  6. How do I check if AJAX nonces are implemented correctly?
  7. Is it safe to manually sign a user in using AJAX?
  8. WP Admin AJAX Security – using POST to include a relative URL
  9. ajax nonce verification failing
  10. Is it secure to use admin-ajax.php in front?
  11. Why does check_ajax_referer give a 403 error on https websites?
  12. Using nonce when loading posts with AJAX
  13. 200 return code on ‘POST /wp-admin/admin-ajax.php’ while NOT logged in
  14. Custom RPC end-point security best pratice?
  15. Should wordpress nonce be placed in html form or in javascript file
  16. How to prevent my external API call from being called by anyone but me (my site)
  17. check_ajax_reffer not working when logged
  18. How to safely pass post_id and user_id via AJAX to the backend (prevent user from changing it via JS)?
  19. Ajax Security regarding user priviliges and nonces
  20. Can I make an ajax response cross-domain?
  21. jQuery’s .on() method combined with the submit event
  22. Why is die() used at the end of function that handles an Ajax request?
  23. Making my AJAX powered WordPress Crawlable
  24. Using Backbone with the WordPress AJAX API
  25. Why is a 500 error generated by admin-ajax.php not going into the Apache error log?
  26. admin-ajax.php doesn’t work when using POST data and Axios
  27. Custom Form with Ajax
  28. How to process ajax requests correctly using ajax plugins
  29. How do I hook an Ajax request into a PHP callback?
  30. Gutenberg – how to correctly perform ajax request on backend
  31. get_template_part execute with ajax
  32. How to add WordPress nonces to ajax request
  33. How declare Ajax functions ussing SHORTINIT
  34. Load custom formatted comment with AJAX: reply link isn’t rendered?
  35. Is there a way to optimize function that is used for returning data in an ajax-call?
  36. WP REST API route request explain
  37. get_posts empty when called via Ajax
  38. WP-API and Basic Auth returning 403 on POST but not GET
  39. Is there a hook to process a backbone restful PUT request inside wordpress?
  40. Check if username exist with AJAX
  41. How to localized one js file for different actions?
  42. WooCommerce: Translation lost on AJAX call in Checkout page [closed]
  43. Async Loading of Custom Posts
  44. Call javascript function when category was added via ajax
  45. How to add WP API and JS featured image attachment
  46. Using AJAX with Forms
  47. json encode not work in wordpress
  48. wordpress and add actions to button by coding
  49. Get Author Post on author.php with AJAX
  50. Can’t publish post using ajax
  51. Ajax in plugin settings page returns 400 Bad Request
  52. How get child posts in custom post type by ajax?
  53. contact form ajax empty response error message
  54. Cache wp-json/posts without a plugin?
  55. How to implement secure frontend image upload? [closed]
  56. What is the best way to do MyAjax error and success handling?
  57. Gravity Forms closes my popup on Validation Error [closed]
  58. infinite-scroll for 2 fixed height containers
  59. Attach time/date stamp on add_post_meta
  60. “Loadmore” button is not working in buddypress [closed]
  61. infinite scroll not working when logged out
  62. Right way to include blog-header.php?
  63. I can’t get a return value from Ajax
  64. WordPress AJAX return 0 – My case
  65. update_option is not saving an array, but saving the string ‘Array’
  66. Ajax call in wordpress not working for subscriber user
  67. Upload data from weather station to WordPress Website
  68. Ajax call in WordPress – unable to display the data on the page
  69. How to reuse get_template_part() containing a simple loop to work with AJAX correctly?
  70. Need help with ajax
  71. What WP-API authentication method should I use to interact with anonymous / not-logged visitors?
  72. How to call ajax in plugin file
  73. Tabbed feeds with ajax vs. without on homepage [closed]
  74. javascript onClick update user_meta from jquery.ajax
  75. How to ignore WP_ERROR caused by “get_the_excerpt” method in an AJAX call?
  76. WP_Query is not received in Ajax
  77. How do I mitigate replay attacks when talking about actions that shouldn’t happen twice?
  78. Updating Jquery object with newly created elements after AJAX call
  79. Not getting ajax success response on insert/update row to database
  80. Wp admin ajax load more
  81. Ajax call from Plugin using Class
  82. enqueue style using admin-ajax.php
  83. Can’t get next post info with ajax
  84. How to inject data content from external json into a modal, using UIkit?
  85. Ajax by worpdress affects called jquery inside template file
  86. AJAX form not working, still reloads on submit
  87. Update user meta via ajax from frontend, saving issue
  88. How to get the admin page slug using wp_loaded hook?
  89. Edit user meta on front-end via AJAX
  90. How to paginate Ajax result
  91. Cannot access class properties from ajax call in wpordrpess
  92. why is my main.js not loading?
  93. Enqueue dynamically generated javascript
  94. First time doing Ajax with WP, how to do it?
  95. AJAX: admin-ajax.php is adding extra content to my script’s response – how to exclude header, footer, etc.?
  96. ajax page template
  97. Translating wordpress foreach to ajax
  98. AJAX loading with custom parameters
  99. Placing ajax actions in different class
  100. How to update my jquery/PHP function to add/remove user as favorites in (WordPress) users list
tech