Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Cute Dog Sleeping Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override + search permission enables permanent search/tab hijack on 130 users.
• Uninstall URL hijack redirects users to gameograf.com tracking URL on removal.
• Install URL hijack opens gameograf.com tracking URL on install.
• No CSP on MV3 extension with innerHTML DOM sinks in popup.js and calendar.js.

Evidence

• newtab_override manifest chrome_url_overrides.newtab = newtab.html; wallpaper category does not justify permanent new-tab replacement.
• uninstall_url_hijack crx chrome.runtime.setUninstallURL targets https://gameograf.com/?utm_source=extension&utm_medium=install
• install_url_hijack crx onInstalled opens https://gameograf.com/?utm_source=extension&utm_medium=install
• dom_sink_innerhtml crx innerHTML sinks in popup.js and calendar.js with no CSP; DOM-XSS risk.
• broad_js_hosts crx 12 external hosts including calendar.google.com, chat.openai.com, docs.google.com beyond core function.
• no_csp manifest content_security_policy is null; MV3 default applies but innerHTML sinks unmitigated.
• search_permission_newtab manifest search permission + newtab override combined = search hijack pattern for monetization.
• privacy_policy_scoped api Policy fetched, scope_extension=true, data_collection=true, retention=true, third_party_sharing=true.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Cute Dog Sleeping Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 2.88 -> 5.38 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Search API access; paired with newtab override creates search hijack surface.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain; low standalone risk.
• chrome_url_overrides.newtab medium Replaces new tab page; primary monetization/tracking vector for this category.

Pillar Scores

Bookkeeping