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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-235753r836361_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 2022-06-17

Details

Check Text ( C-38972r836360_chk )
The policy value for "Computer Configuration/Administrative Templates/Microsoft Edge/Content settings/Allow pop-up windows on specific sites" may be set to "Enabled".

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

"PopupsAllowedForUrls" may be set as follows. This is example text:
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.