VULNERABILITY DETAILS
The problem is that all the saved content on Google Chrome Browser is vulnerable to scanning by unauthorized application,which can lead to data theft and hijacking of various accounts and credit card credentials.

VERSION
Chrome Version:  PC:[55.0.2883.87] 
                  PC:[55.0.2883.91]
Operating System: [Windows/Android OS,all versions and service pack level]

REPRODUCTION CASE
Steps to reproduce:
  1.Add a plugin or app via the Internet onto the victim's browser
  2.the link chrome://settings/{passwords or autofill.}These links are freely accessible by typing pasting them in the google search bar.
  3.the data can be collected from these tabs,and by emulating the "edit" click ,all individual data can be collected

The chrome security defect lets random apps to be added as plugins.Well these "harmless" plugins/other apps can freely  access the saved passwords/credit-ails on the browser.The vulnerability let any app scan these details with ease,with no detection what so ever. So due to these vulnerabilities,you can copy all the saved autofill data  and password by accessing chrome://settings/xxx -xxx: autofill or passwords.Each individual unit of data can be collected by emulating the edit button click on these data.Hence all these data which was previously copied, can be transmitted by these app to previously set database locations.