Title

Turn on Cross-Site Scripting (XSS) Filter property is properly set (Restricted Sites Zone). (Cat II impact)

Discussion

This setting controls if the Cross-Site Scripting (XSS) Filter detects and prevents cross-site script injection into Web sites in this zone.

Check Content

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> “Turn on Cross-Site Scripting (XSS) Filter” will be set to “Enabled” and “Enable”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: If the value 1409 is REG_DWORD = 0, this is not a finding.

Fix Text

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> “Turn on Cross-Site Scripting (XSS) Filter” will be set to “Enabled” and “Enable”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: Set the value 1409 to REG_DWORD = 0.

Additional Identifiers

Rule ID:

Vulnerability ID: V-22161

Group Title:

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.