Image pasting userscript (click the Raw button with Tampermonkey or etc installed!)

cohost-paste.user.js

// ==UserScript==
// @name         Cohost imagepasting
// @version      0.3.1
// @description  paste images in cohost
// @author       Twilight
// @match        https://cohost.org/*/post/compose*
// @match        https://cohost.org/*/post/*/edit
// @icon         https://cohost.org/static/a4f72033a674e35d4cc9.png
// @license      MIT
// @grant        none
// ==/UserScript==

// shoutouts to @lexi and @wowperfect
// https://cohost.org/wowperfect/post/900893-status-of-cohost-pas#comment-91758a87-f2ca-4e01-b0f1-799551721bc4
document.addEventListener('paste', function(e) {
  var items = e.clipboardData.items;
  for (var i = 0; i < items.length; i++) {
    if (items[i].type.indexOf('image') !== -1) {
      var blob = items[i].getAsFile();
      Object.values(document.querySelector("[title='attach an image']")).filter(x=>!!x.return)[0].return.memoizedProps.onFilesPicked([blob]);
      break;
    }
  }
});