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URLs must be whitelisted for plugin use.


Overview

Finding ID Version Rule ID IA Controls Severity
V-235753 EDGE-00-000039 SV-235753r626523_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 2021-02-16

Details

Check Text ( C-38972r626455_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

If the value for "PopupsAllowedForUrls" is not set, this is a finding.

If no URLs in the agency require whitelisting for plugin use, this is Not Applicable.
Fix Text (F-38935r626456_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 whitelisted URLs may be specified here.