Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Midoriya My Hero Academia Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• Privacy policy is Google's own generic policy — does not scope to this extension; classified as collecting+sharing third-party data with no extension scope.
• New-tab override with uninstall URL hijack and install URL hijack: classic ad-monetization shell pattern.
• Two innerHTML DOM-XSS sinks with no CSP; MV3 but csp_present==false amplifies risk.
• No developer name listed; empty manifest_name/__MSG_appName__ obscures identity.

Evidence

• newtab_override manifest chrome_url_overrides.newtab set to newtab.html — full new-tab page hijack.
• uninstall_url_hijack crx setUninstallURL → gameograf.com with UTM params; install URL hijack also present.
• generic_privacy_policy store Privacy URL is myaccount.google.com/privacypolicy — Google's own policy, not extension-scoped.
• dom_xss_sink crx 2x innerHTML from variable in popup.js and calendar.js; no CSP to mitigate.
• no_csp manifest csp_present==false on MV3 extension with innerHTML sinks and external JS hosts.
• no_developer_name store developer_name is empty string; manifest_name is __MSG_appName__ placeholder.
• verified_publisher store verified_publisher==true but no developer name and generic Google privacy policy.
• install_uninstall_hijack crx Both onInstalled and setUninstallURL point to gameograf.com with campaign tracking params.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Midoriya My Hero Academia Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 5.21 -> 7.71 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows reading/manipulating search queries; paired with newtab override raises monetization risk.
• host_permissions: https://api.gameograf.com/* low Scoped to own API domain only; limited blast radius.
• chrome_url_overrides: newtab medium Replaces new-tab page; key monetization surface for search/ad injection.

Pillar Scores

Bookkeeping