Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Space Window Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override replaces every new tab; Google generic privacy policy not scoped to this extension at all.
• Privacy policy is Google's own policy — admits data collection/3rd-party sharing without scope to extension: +10 privacy pillar.
• Install and uninstall URL hijack to gameograf.com — confirmed monetization/tracking redirect pattern.
• Two innerHTML DOM-XSS sinks with no CSP present — elevated injection risk.

Evidence

• newtab_override manifest chrome_url_overrides.newtab = newtab.html — replaces every new tab for all users.
• uninstall_url_hijack crx setUninstallURL → https://gameograf.com/?utm_source=gameograf&utm_medium=link&utm_campaign=bg
• install_url_hijack crx onInstalled opens https://gameograf.com/?utm_source=install&utm_medium=link&utm_campaign=bg
• generic_privacy_policy api Policy URL is Google's own myaccount policy; scope_extension=false, data_collection=true, third_party_sharing=true.
• no_csp manifest content_security_policy is null; csp_present=false on MV3 extension with DOM-XSS sinks.
• dom_xss_sink crx innerHTML user-controlled in js/popup.js and js/calendar.js with no CSP mitigating injection.
• no_developer_name store developer_name is empty string; reduces accountability.
• verified_publisher store verified_publisher=true for gameograf.com (age 2050d, 265 certs); caps some reputation risk.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Space Window Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 5.48 -> 7.98 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows reading search queries; medium risk for a NewTab override extension.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain; limited blast radius.
• chrome_url_overrides: newtab medium Replaces every new tab — high-reach surface for data collection or search hijack.

Pillar Scores

Bookkeeping