Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Hello Kitty Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• Google's generic privacy policy used — not scoped to this extension; admits data collection & 3rd-party sharing.
• New-tab override + search permission: classic ad-monetization shell pattern on a theme/wallpaper extension.
• Uninstall AND install URL hijacks redirect to gameograf.com with UTM tracking parameters.
• No developer name listed; verified/featured badges present but policy is Google's own global policy.

Evidence

• newtab_override manifest chrome_url_overrides.newtab set to newtab.html on a wallpaper/theme extension — monetization shell pattern.
• uninstall_url_hijack crx setUninstallURL -> https://gameograf.com/?utm_source=gameograf&utm_medium=link&utm_campaign=bg&utm_content=uninstall
• install_url_hijack crx onInstalled opens https://gameograf.com/?utm_source=install&utm_medium=link&utm_campaign=bg with UTM params.
• generic_privacy_policy store Privacy URL is Google's global policy (myaccount.google.com/privacypolicy); scope_extension=false, data_collection=true, third_party_sharing=true.
• no_csp manifest content_security_policy is null (MV3, so no explicit CSP penalty, but DOM sinks are unmitigated).
• dom_sink_innerhtml_userctrl crx innerHTML sinks in js/popup.js and js/calendar.js without CSP protection; DOM-XSS risk.
• no_developer_name store developer_name is empty string; verified_publisher=true but identity surface is thin.
• search_permission_newtab manifest search permission + newtab override on a wallpaper extension matches low-value traffic-monetization cluster.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Hello Kitty Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 4.35 -> 6.85 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows reading/modifying search provider; paired with newtab override raises monetization risk.
• 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; prime real estate for ad monetization and search hijack.

Pillar Scores

Bookkeeping