Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Chill Super Mario Pixel Live Wallpaper + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override enables search monetization and persistent user-facing content replacement.
• Uninstall and install URL hijacks redirect users to gameograf.com for tracking/monetization.
• No CSP on MV3 extension with innerHTML DOM sinks raises DOM-XSS risk.
• Developer name absent from listing; reduces accountability signal.

Evidence

• newtab_override manifest chrome_url_overrides.newtab set to newtab.html — replaces new-tab page entirely.
• uninstall_url_hijack crx setUninstallURL targets https://gameograf.com with UTM tracking params.
• install_url_hijack crx onInstalled opens https://gameograf.com with UTM tracking params.
• no_csp manifest content_security_policy is null; no CSP declared despite innerHTML sinks in JS.
• dom_xss_sink crx innerHTML assigned from variable in popup.js and calendar.js — DOM-XSS risk.
• verified_publisher store Developer is verified publisher; caps reputation floor at 2.0 per rubric.
• privacy_policy_adequate api Policy is scoped, declares collection, retention, third-party sharing — fully disclosed.
• search_engine_count_1 api Only google.com seen; no multi-search-engine monetization aggregator pattern detected.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Chill Super Mario Pixel Live Wallpaper + malext.io malicious_extension_sentry; score 2.75 -> 5.25 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows reading/overriding search provider; medium risk for a NewTab extension.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain; limited blast radius.
• chrome_url_overrides.newtab medium Replaces new-tab page; primary surface for monetization and search hijacking.

Pillar Scores

Bookkeeping