Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — Orange Nissan Skyline GTR Live Wallpaper [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• Privacy policy URL (haberikra.com) could not be fetched — effective no-policy situation; scores max privacy risk.
• Uninstall and install URL hijacks redirect to gameograf.com tracking URLs — monetization shell pattern.
• NewTab override combined with 'search' permission enables search-provider monetization.
• No CSP defined (MV3 default provides some protection, but innerHTML sink in popup.js remains exploitable).

Evidence

• uninstall_url_hijack manifest chrome.runtime.setUninstallURL → https://gameograf.com/?utm_source=gameograf&utm_medium=link&utm_campaign=bg&utm_content=uninstall
• install_url_hijack manifest onInstalled opens https://gameograf.com/?utm_source=install&utm_medium=link&utm_campaign=bg&utm_content=install
• newtab_override manifest chrome_url_overrides.newtab = newtab.html; replaces every new tab with wallpaper/search surface.
• privacy_policy_fetch_failed api privacy_policy_classification.fetched=false; reason=fetch_error:HTTPError; policy on haberikra.com unreachable.
• dom_xss_sink crx js/popup.js: popupContainer.innerHTML=html — DOM-XSS sink with no CSP guard.
• no_developer_name store developer_name is empty string; reduces accountability.
• stale_15mo store months_since_update=15; falls in 12-24mo band → Maintenance +6.0.
• verified_publisher_cap_0c store Verified publisher but months_since_update>18 triggers 0c cap; discount capped at -1.0 on reputation.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — Orange Nissan Skyline GTR Live Wallpaper [adware] + malext.io malicious_extension_sentry; score 5.68 -> 8.18 (+2.5 cap 2.5).

Permissions Breakdown

• search medium Allows override of search provider; combined with newtab override raises monetization concern.
• host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain only.
• chrome_url_overrides.newtab medium Replaces new-tab page; primary surface for this extension's monetization/wallpaper function.

Pillar Scores

Bookkeeping