Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Cute Cat Hot Bath Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override enables permanent monetization/redirect control for all new tabs
• Uninstall and install URL hijack both route to gameograf.com — traffic monetization pattern
• Privacy policy is Google's own policy (not scoped to this extension) — admits data collection and 3rd-party sharing
• Two innerHTML DOM-XSS sinks with no CSP in place — elevated exploitation risk

Evidence

• newtab_override manifest chrome_url_overrides.newtab=newtab.html; controls every new tab for all users.
• uninstall_url_hijack crx setUninstallURL points to https://gameograf.com/?utm_source=extension&utm_medium=install
• install_url_hijack crx onInstalled opens https://gameograf.com/?utm_source=extension&utm_medium=install
• privacy_policy_generic store Policy URL is Google's own account policy; scope_extension=false, data_collection=true, third_party_sharing=true.
• dom_xss_sink_no_csp crx 2x innerHTML assignments in popup.js and calendar.js; csp_present=false increases XSS risk.
• no_csp manifest content_security_policy is null; MV3 default applies but no explicit hardening.
• low_installs_newtab store Only 56 installs with newtab override and URL hijacks — tail-attack-surface pattern.
• search_engine_count api Only 1 search engine (google.com) seen; no multi-search-engine monetization aggregator signal.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Cute Cat Hot Bath Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 5.43 -> 7.93 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows reading/modifying search provider; medium risk on its own.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain; bounded risk.
• chrome_url_overrides: newtab medium Replaces every new tab — prime monetization/redirect surface.

Pillar Scores

Bookkeeping