Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Alb Cityscp Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override with uninstall/install URL hijack to gameograf.com — monetization shell pattern.
• Uninstall and install URL hijacks confirmed; traffic routed to developer domain on both events.
• No CSP declared (MV3) combined with innerHTML DOM-XSS sinks in popup.js and calendar.js.
• Developer name field empty; only email identity available for accountability.

Evidence

• newtab_override manifest chrome_url_overrides.newtab = newtab.html; replaces every new tab with developer-controlled page.
• uninstall_url_hijack crx setUninstallURL targets https://gameograf.com/?utm_source=extension&utm_medium=install.
• install_url_hijack crx onInstalled opens https://gameograf.com/?utm_source=extension&utm_medium=install.
• no_csp manifest content_security_policy is null; MV3 default applies but no explicit hardening declared.
• dom_xss_sink crx innerHTML assigned from variable in js/popup.js and js/calendar.js — DOM-XSS risk.
• verified_publisher store Extension carries verified publisher badge for gameograf.com.
• developer_name_missing store developer_name is empty string; reduces accountability signal.
• privacy_policy_adequate api Policy fetched; scope_extension=true, data_collection=true, retention=true, third_party_sharing=true.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Alb Cityscp Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 3.09 -> 5.59 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Grants ability to interact with browser search; medium risk in context of NewTab override.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain; low blast radius.
• chrome_url_overrides.newtab medium Replaces new-tab page; high-frequency intercept point for user traffic and search monetization.

Pillar Scores

Bookkeeping