Browser Back button is allowing user to check the submittted catalog item values.Issue The application allows the form data to be viewed after catalog item submission. As long as the browser window is not closed, it is possible for someone to use the browser’s “Back” button to navigate to the previous page.This sensitive information cached in browser memory can disclose confidential information to other users, here is the use case. Use case: An external user submitting a public catalog item from the browser and leaving the browser at the "acknowledge" page will allow the other user to see the previously submitted data by clicking the back button. ReleaseAll versionsCauseThis is the expected behavior of the platform, the back button is expected to render the previously filled data.ResolutionAdding the below custom code to the acknowledgment UI page where the catalog item is redirecting post submission could fix this issue, add the code within the UI page HTML. Code Snippet: <script> history.pushState(null, null, location.href); window.onpopstate = function () { history.go(1); };</script> NOTE: This comes under customization and ServiceNow is not liable for any maintenance of this code. Refer to the following external link for additional information. As this is an external link, this link works until the source is exposed to the public. How to disable browser back button using JavaScript