Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Bleach Wallpapers [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• Privacy policy is Google's generic policy — not scoped to this extension, admits data collection and 3rd-party sharing (+10 privacy pillar).
• Uninstall and install URL hijacking to gameograf.com tracking URLs — monetization shell pattern.
• NewTab override with search permission: classic ad-monetization surface.
• bit.ly affiliate/cloaking hit in js_external_hosts — link destination obscured.

Evidence

• privacy_policy_generic store Policy URL is Google's own account policy; scope_extension=false, data_collection=true, third_party_sharing=true → +10 privacy.
• uninstall_url_hijack crx chrome.runtime.setUninstallURL → gameograf.com UTM tracking URL. +3.0 webstore.
• install_url_hijack crx onInstalled opens gameograf.com UTM tracking URL. +2.0 webstore.
• affiliate_hit_bitly crx bit.ly in js_external_hosts flagged as affiliate/cloaking redirector. +1.5 webstore (1 domain).
• newtab_override manifest chrome_url_overrides.newtab → index.html; monetization shape. +2.0 webstore.
• dom_xss_sink crx innerHTML assigned from variable in js/popup.js; no CSP present → +2.0 code quality (FIX B).
• stale_extension store months_since_update=13 falls in 12-24mo band → +6.0 maintenance.
• no_developer_name store developer_name is empty string; verified_publisher=true so reputation floor 2.0 applies, but +1.0 for no offered-by name.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Bleach Wallpapers [adware] + malext.io malicious_extension_sentry; score 5.39 -> 7.89 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows search provider manipulation; paired with newtab override amplifies monetization risk.
• 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; primary monetization surface for this category.

Pillar Scores

Bookkeeping