How to safely pass post_id and user_id via AJAX to the backend (prevent user from changing it via JS)?

How to safely pass post_id and user_id via AJAX to the backend (prevent user from changing it via JS)?

Related Posts:

  1. Nonces, AJAX, script variables & security in WordPress
  2. JavaScript implementation of Gzip
  3. Is there a JavaScript API? How to access public and private data in JS?
  4. WordPress Ajax Data Security
  5. Nonces and Cache
  6. How to HTML5 FormData Ajax
  7. Is it safe to assume that a nonce may be validated more than once?
  8. Multiple ajax nonce requests
  9. How to properly use wp.ajax.post?
  10. Custom PHP endpoint for a plugin’s AJAX call
  11. Refused to execute script from ‘***’ because its MIME type (‘text/html’) is not executable, and strict MIME type checking is enabled
  12. WordPress Ajax Login without page reload
  13. Dynamically changing navigation links (next and previous) via AJAX
  14. Drag and drop multiple file upload using Ajax WordPress
  15. Quick Edit: Selected Custom Taxonomy Not Refreshing After Save
  16. Vue.js + AJAX Shortcode
  17. Turn jQuery.ajax() request into XMLHttpRequest (vanilla JavaScript)
  18. fetching via fetch/ajax gutenberg block data from third party
  19. ajax and nonce when JavaScript is in a seperate file
  20. admin-ajax.php HTTP400: BAD REQUEST – The request could not be processed by the server due to invalid syntax
  21. AJAX issue – Uncaught SyntaxError when processing Zip File
  22. WordPress AJAX Call Not Return Result
  23. Extending wp JavaScript base class to make a post request to a custom REST endpoint
  24. How to localized one js file for different actions?
  25. wp-admin AJAX with Fetch API is done without user
  26. How do I check if AJAX nonces are implemented correctly?
  27. Admin Ajax and HTML5 Formdata
  28. Call javascript function when category was added via ajax
  29. Populating content dynamically via AJAX and Advanced Custom Fields [closed]
  30. Help with AJAX front end comment moderation
  31. Woocommerce Ajax Add cart not working
  32. WP Admin AJAX Security – using POST to include a relative URL
  33. Ajax Modal Flickers When Opened Multiple Times
  34. ajax nonce verification failing
  35. Load JavaScript from a post that’s loading into Fancybox via ajax
  36. splitting the URL using jQuery
  37. AJAX Load more on CPT returning random posts
  38. Should I check for privileges before hooking into `wp_ajax_$handle` or after?
  39. Refresh Markercluster after ajax call
  40. Making an ajax request from a different domain
  41. Performance optimization of tree like structure
  42. How do I query posts by a sub value with the API?
  43. Radio buttons live refresh in the customizer
  44. Gravity Forms closes my popup on Validation Error [closed]
  45. Is it secure to use admin-ajax.php in front?
  46. Why is wp_localize_script returning false?
  47. Using admin-ajax prevents regular php form submission
  48. Why does check_ajax_referer give a 403 error on https websites?
  49. wp_mail doesn’t work when logged in?
  50. Hide Load more Ajax button if there is no more users to load or less than the number?
  51. How to disable drag-and-drop upload function in Media Library?
  52. javascript ajax and nonce
  53. Using nonce when loading posts with AJAX
  54. Is there a better way to access transients using javascript
  55. Run javascript upon successfully set featured image
  56. 200 return code on ‘POST /wp-admin/admin-ajax.php’ while NOT logged in
  57. Custom RPC end-point security best pratice?
  58. admin-ajax.php (aborted) error when using jQuery.get
  59. Replace link with form to pass variables to javascript / ajax
  60. Ajax page load without reload
  61. Load page HTML content through AJAX
  62. How to display contact form 7 form in vanilla js without jquery in frontend
  63. Get localize of a loaded javascript
  64. Updating failed. The response is not a valid JSON response. specific to my browser when I include javascript in my html
  65. Uncaught TypeError: Cannot read properties of undefined (reading ‘message’) [closed]
  66. Should wordpress nonce be placed in html form or in javascript file
  67. Refresh Gutenberg with JS for it show updated post
  68. javascript onClick update user_meta from jquery.ajax
  69. how to make sure js is enabled before executing php function
  70. How to Object.freeze wp_localize_script
  71. How to pass value from ajax to php in no conflict mode?
  72. How to prevent my external API call from being called by anyone but me (my site)
  73. ERROR while passing data from JS to PHP via AJAX
  74. Ajax sometimes work and sometimes just don’t work
  75. $.ajax results in 403 forbidden
  76. React to AJAX adding to the page
  77. check_ajax_reffer not working when logged
  78. Download doccument on server rather than clients browser
  79. Using existing ajax data that is loaded into page
  80. Javascript output now showing in custom widget
  81. Ajax call from Plugin using Class
  82. Ajax call on class returns old data
  83. Ajax show custom post data form & script
  84. AJAX form not working, still reloads on submit
  85. Create a post with REST API and adding a category
  86. Get post details with pure javascript ajax
  87. Ajax WordPress pass post URLs
  88. Jquery wrap permalink in a data-attribute?
  89. Ajax Security regarding user priviliges and nonces
  90. Retrieve $_POST data to send to javascript without using localize script
  91. ‘Dehighlighting’ navigation once clicked
  92. Can I make an ajax response cross-domain?
  93. AJAX admin Internal 500 error Failed to Upload
  94. Using Javascript Callback from plugin in a theme
  95. WordPress Ajax send response on every iteration of a loop
  96. Running js in html code with same content
  97. How to get current_user_id from wordpress in node js?
  98. AJAX call not initializing for non-admins in WordPress
  99. Escaping admin_url output being passed to js (esc_js vs esc_url)
  100. How to submit a button automatically after every scheduled hours?