Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Blazing Graffiti Car Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override with uninstall/install URL hijack — classic monetization shell pattern.
• Uninstall and install URL both redirected to gameograf.com UTM-tracked page.
• Two innerHTML DOM-XSS sinks with no CSP; FIX B elevates code quality risk.
• No developer name listed despite verified-publisher status; reduces accountability.

Evidence

• newtab_override manifest chrome_url_overrides.newtab set to newtab.html — full new-tab replacement.
• uninstall_url_hijack crx setUninstallURL → 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_xss_sink crx innerHTML assignments in popup.js and calendar.js; csp_present==false amplifies risk.
• no_csp manifest content_security_policy is null; MV3 default applies but no explicit hardening.
• verified_publisher store verified_publisher==true; discount capped — no siblings, domain resolves, not stale.
• privacy_policy api Policy fetched; scope_extension, data_collection, retention, third_party_sharing all true.
• search_engine_count api Only 1 search engine (google.com) seen; no multi-engine ad-aggregator signal.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Blazing Graffiti Car Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 2.83 -> 5.33 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Can query browser search engine; medium risk as NewTab overrides search context.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain; expected for wallpaper/content fetch.
• chrome_url_overrides.newtab medium Replaces new-tab page; common monetization vector for theme/wallpaper extensions.

Pillar Scores

Bookkeeping