Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Doraemon Fly Live Wallpaper New Tab [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• NewTab override with uninstall URL hijack to developer UTM endpoint — monetization shell pattern.
• Install URL hijack opens developer site on every install — +2.0 Webstore per rubric.
• Privacy policy is Google's generic policy, not scoped to this extension; data_collection+third_party_sharing admitted — Privacy pillar maxed.
• No CSP (MV3) combined with innerHTML sinks in popup.js and calendar.js — DOM-XSS risk elevated.

Evidence

• uninstall_url_hijack manifest setUninstallURL → https://gameograf.com/?utm_source=gameograf&utm_medium=link&utm_campaign=bg&utm_content=uninstall (+3.0 Webstore)
• install_url_hijack manifest onInstalled opens https://gameograf.com/?utm_source=install&utm_medium=link&utm_campaign=bg&utm_content=install (+2.0 Webstore)
• newtab_override manifest chrome_url_overrides.newtab set to newtab.html — primary monetization surface (+2.0 Webstore)
• privacy_policy_generic store Policy URL is Google's own account policy; scope_extension=false, data_collection=true, third_party_sharing=true → Privacy pillar 10.0
• dom_sink_innerhtml crx innerHTML sinks in popup.js and calendar.js with no CSP — DOM-XSS exposure (+2.0 Code Quality per FIX B)
• no_csp manifest content_security_policy is null; csp_present=false on MV3 extension with innerHTML sinks.
• verified_publisher store verified_publisher=true for gameograf.com (resolves, age 2051d, 265 certs) — Reputation discount applied.
• no_developer_name store developer_name is empty string — partial accountability gap (+1.0 Reputation).
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Doraemon Fly Live Wallpaper New Tab [adware] + malext.io malicious_extension_sentry; score 5.48 -> 7.98 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows interaction with Chrome search — medium risk for a NewTab override extension.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain; low risk in isolation.
• chrome_url_overrides: newtab medium Replaces new tab page — core monetization surface for this extension type.

Pillar Scores

Bookkeeping