Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Venom VS Spider-Man Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override with uninstall/install URL hijack — clear monetization shell pattern.
• Privacy policy is Google's generic account policy, not scoped to this extension; admits data collection and 3rd-party sharing.
• No CSP declared (MV3 relaxed default) with innerHTML sink in popup.js — DOM-XSS exposure.
• 16 months since last update — stale extension with persistent newtab control over all users.

Evidence

• newtab_override manifest chrome_url_overrides.newtab set to newtab.html — controls every new tab page.
• uninstall_url_hijack crx setUninstallURL to 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 store Privacy URL is Google's own account policy — scope_extension=false, data_collection=true, third_party_sharing=true.
• dom_xss_sink crx innerHTML assigned from variable in js/popup.js with no CSP guard.
• stale_extension store 16 months since last update; newtab extension with persistent reach over all new tabs.
• no_csp manifest content_security_policy is null; csp_present=false on MV3 extension with innerHTML sink.
• search_override_monetization manifest permissions includes 'search' alongside newtab override; classic search monetization pattern.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Venom VS Spider-Man Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 5.48 -> 7.98 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows overriding search provider; MEDIUM impact as part of newtab monetization pattern.
• host_permissions: https://api.gameograf.com/* low Scoped to dev-controlled domain only; limited blast radius.
• chrome_url_overrides.newtab medium Replaces every new tab with developer-controlled page; core monetization vector.

Pillar Scores

Bookkeeping