Not be able to Submit if a Public Form in iframe (Fixed)

Fixed Version

• (Confirmed that the problem does not occur due to the version upgrade of Chrome)
  • Security enhancements for iframes have been canceled (Chrome 92.0.4515.131)
  • It has been decided not to re-enforce security for Chrome versions released within 2021
  • Possibly be re-implemented in Chrome version released after 2022

Affected Version and Operation

• Ver.13.1.0

Bug Details

• Occurs in operating
  • A form by The Message Start Event /Receive Task is displayed in the iframe and is operated in Chrome
• What will occur
  • Cannot submit with button on the form

Cause

• Chrome is enhanced its security concerning iframe since version 92
  • （Feature: Remove alert(), confirm(), and prompt for cross origin iframes）

Workaround/Recovery

• Open the form in a new window/tab
• The iframe may be subject to browser security enhancements henceforward
  • Do not use iframe when publishing forms