URLs must be whitelisted for plugin use.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-235753	EDGE-00-000039	SV-235753r766857_rule		Medium

Description
Define a list of sites, based on URL patterns that can open pop-up windows.

STIG	Date
Microsoft Edge Security Technical Implementation Guide	2021-06-23

Details

Check Text ( C-38972r766855_chk )
The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Content settings/Allow pop-up windows on specific sites" must be set to "Enabled". Use the Windows Registry Editor to navigate to the following key: HKLM\SOFTWARE\Policies\Microsoft\Edge "PopupsAllowedForUrls" must be set as follows: HKLM\SOFTWARE\Policies\Microsoft\Edge\PopupsAllowedForUrls\1 = mydomain.com HKLM\SOFTWARE\Policies\Microsoft\Edge\PopupsAllowedForUrls\2 = myagency.mil This requirement for "Allow pop-up windows on specific sites" is not required; this is optional. If configured, the list of domains for which Microsoft Edge allows pop-ups must be allowlisted; otherwise this is a finding.

Check Text ( C-38972r766855_chk )

The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Content settings/Allow pop-up windows on specific sites" must be set to "Enabled".

Use the Windows Registry Editor to navigate to the following key:
HKLM\SOFTWARE\Policies\Microsoft\Edge

"PopupsAllowedForUrls" must be set as follows:
HKLM\SOFTWARE\Policies\Microsoft\Edge\PopupsAllowedForUrls\1 = mydomain.com
HKLM\SOFTWARE\Policies\Microsoft\Edge\PopupsAllowedForUrls\2 = myagency.mil

This requirement for "Allow pop-up windows on specific sites" is not required; this is optional.

If configured, the list of domains for which Microsoft Edge allows pop-ups must be allowlisted; otherwise this is a finding.

Fix Text (F-38935r766856_fix)
Set the policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Content settings/Allow pop-up windows on specific sites" to "Enabled". A list of allowlisted URLs may be specified here.