Vulnerability V-221563

Universal method: 1. In the omnibox (address bar) type chrome://policy 2. If ExtensionInstallAllowlist is not displayed under the Policy Name column or it is not set to oiigbmnaadbkfbmpbfijlflahbdbdgdf or a list of administrator approved extension IDs, then this is a finding. Windows method: 1. Start regedit 2. Navigate to the key HKLM\Software\Policies\Google\Chrome\ExtensionInstallAllowlist 3. If the ExtensionInstallAllowlist key is not set to 1 and oiigbmnaadbkfbmpbfijlflahbdbdgdf or a list of administrator-approved extension IDs, then this is a finding.

Windows group policy: 1. Open the group policy editor tool with gpedit.msc 2. Navigate to Policy Path: Computer Configuration\Administrative Templates\Google\Google Chrome\Extensions\ Policy Name: Configure extension installation allowlist Policy State: Enabled Policy Value: oiigbmnaadbkfbmpbfijlflahbdbdgdf Note: oiigbmnaadbkfbmpbfijlflahbdbdgdfis the extension ID for scriptno (a commonly used Chrome extension), other extension IDs may vary.