Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Labubu Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override replaces every new tab — high-reach monetization and tracking surface.
• Both install and uninstall URL hijacks redirect to gameograf.com with UTM tracking.
• No CSP declared (MV3); DOM-XSS sinks (innerHTML) in popup.js and calendar.js without mitigations.
• No developer display name provided; thin install base (44) for a permission-bearing NewTab extension.

Evidence

• newtab_override manifest chrome_url_overrides.newtab = newtab.html — every new tab controlled by extension.
• uninstall_url_hijack crx setUninstallURL → 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; csp_present=false on MV3 extension.
• dom_xss_sinks crx innerHTML user-controlled assignments in js/popup.js and js/calendar.js without CSP guard.
• no_developer_name store developer_name is empty string; Reputation docked for missing Offered-by identity.
• verified_publisher store verified_publisher=true; discount applied but capped — install/uninstall hijack present.
• external_js_hosts crx 12 external hosts in JS: api.gameograf.com plus 11 Google/gstatic domains.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Labubu Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 2.88 -> 5.38 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Search API allows overriding search engine; medium risk in a NewTab extension context.
• chrome_url_overrides.newtab medium NewTab override replaces every new tab — high-reach monetization surface.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain only.

Pillar Scores

Bookkeeping