Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Sabrina Carpenter Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• Uninstall URL hijack to owhit.com — hard +3.0 webstore signal, tracks churn and drives re-engagement.
• Install URL hijack to owhit.com — onInstalled opens 3rd-party page, monetization/tracking pattern.
• Privacy policy is Google's generic account policy — does not scope to this extension; data collection/3rd-party sharing admitted without context → Privacy pillar 10.0.
• NewTab override + 'search' permission from free-webmail/unverified dev — classic ad-monetization shell.

Evidence

• uninstall_url_hijack crx chrome.runtime.setUninstallURL targets https://owhit.com/uninstall — 3rd-party tracking of uninstalls.
• install_url_hijack crx onInstalled opens https://owhit.com/sabrina-carpenter-live-wallpaper — 3rd-party landing page.
• newtab_override manifest chrome_url_overrides.newtab = index.html; replaces every new tab for all users.
• generic_privacy_policy store Policy URL is Google account privacy page; scope_extension=false, data_collection=true, third_party_sharing=true.
• free_webmail_developer store Developer email yusufkerem050@gmail.com; no verified publisher, no business domain.
• js_external_hosts crx 8 external JS hosts including owhit.com, chat.openai.com, instagram.com, netflix.com, x.com.
• no_csp manifest content_security_policy is null; MV3 provides strict default but no explicit CSP declared.
• fan_content_theme_shell store Celebrity fan-content NewTab shell (Sabrina Carpenter); classic low-effort traffic-monetization pattern.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Sabrina Carpenter Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 5.31 -> 7.81 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows overriding search provider; medium risk when paired with NewTab override.
• chrome_url_overrides.newtab medium Replaces every new tab page; high-traffic monetization surface, scored per v2 rule (a).

Pillar Scores

Bookkeeping