Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Seashore Beach Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override replaces every new tab — high-frequency user exposure with monetization shape.
• Uninstall and install URL hijacks redirect to 3rd-party gameograf.com pages with UTM tracking.
• Privacy policy URL returned fetch error; effectively no accessible privacy policy for scoring.
• No CSP declared; combined with innerHTML DOM-XSS sink in calendar.js raises XSS risk.

Evidence

• newtab_override manifest chrome_url_overrides.newtab set to newtab.html — replaces every new tab page.
• uninstall_url_hijack crx setUninstallURL targets https://gameograf.com/?p=33033?utm_source=extension&utm_medium=uninstall
• install_url_hijack crx onInstalled opens https://gameograf.com/?p=33033?utm_source=extension&utm_medium=install
• privacy_policy_fetch_error api privacy_policy_classification.fetched==false; HTTPError — policy inaccessible, scored as no policy.
• no_csp manifest content_security_policy is null; MV3 default applies but no explicit restriction declared.
• dom_xss_sink crx innerHTML assigned from variable in js/calendar.js with no CSP hardening.
• verified_publisher store Verified publisher badge present; developer domain resolves, domain age ~2051 days.
• no_developer_name store developer_name field is empty string — no 'Offered by' identity shown to users.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Seashore Beach Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 5.16 -> 7.66 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Can alter or intercept search provider; elevated for NewTab category.
• alarms low Schedules callbacks; low standalone risk.
• storage low Local data persistence; minimal risk.
• chrome_url_overrides.newtab medium Replaces new-tab page; high user exposure surface for monetization.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain only.

Pillar Scores

Bookkeeping