title: localhost javascript bundled is trying to be injected to my website by an user. (Reported by Sentry an error and performance tracking tool)
body: <p>I can see in Sentry report that,
  Along with my <em>vendors~main-6319dfea084cb55e85bf.js,main-6319dfea084cb55e85bf.js</em> and other resource.scripts and resource.css files i can see <strong>https://localhost:49506/7pp3ab609c5236b3bf34c2b621ac79ba.js</strong> script is been injected and also- <em>GET https://localhost:49506/storage/userId</em> and <em>GET https://localhost:49506/storage/pendingRequests</em> api calls has been triggered.</p>
  <p>The attacker tried this from EDGE browser.
  The application was developed with typescript and Reactjs.</p>
  <p>My questions are,</p>
  <ol>
  <li>What type of attack it is?</li>
  <li>How can i handled this?</li>
  </ol>
  <p>Also if any additional info, please post here.</p>
  <p>Thanks in advance.</p>