Netskope Extension Risk

Detail view · rubric v3.6
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Cute My Melody Kuromi My Sweet Piano Desserts

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Risk Score
3.43
Risk Level: Low
Recommendation: 🟢 LOW RISK — review
Category NewTab
Installs 862
Rating 4.5
Last updated 2026-05-13 (3 months ago)
Manifest version MV3
CSP present ❌ no
Developer support@gameograf.com
Verified publisher ✅ yes
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • NewTab override with uninstall+install URL hijack to gameograf.com — classic monetization shell pattern.
  • Two innerHTML DOM-XSS sinks (popup.js, calendar.js) with no CSP; escalated risk under FIX B.
  • No developer name listed; developer identity partially obscured despite verified publisher badge.
  • search permission + newtab override = search monetization surface; only one search engine seen but probe not run.
  • Privacy policy scoped and complete, but third-party sharing admitted — all data flows should be audited.

Evidence

  • uninstall_url_hijack crx chrome.runtime.setUninstallURL → https://gameograf.com/?utm_source=extension&utm_medium=install (3rd-party redirect).
  • install_url_hijack crx onInstalled opens https://gameograf.com/?utm_source=extension&utm_medium=install on every install.
  • newtab_override manifest chrome_url_overrides.newtab = newtab.html; search permission also declared — monetization pair.
  • dom_xss_sinks crx innerHTML sinks in popup.js and calendar.js; csp_present==false triggers FIX B escalation (+2.0 each → capped).
  • verified_publisher store Verified publisher badge present; discount applied but capped at -1.0 due to monetization redirect signals (v3.5 E).
  • no_developer_name store developer_name is empty string; reduces accountability despite verified email domain.
  • privacy_policy_adequate api Policy fetched; scope_extension=true, data_collection=true, retention=true, third_party_sharing=true — fully disclosed.
  • webstore_monetization_pattern store Install+uninstall URL hijack (+4.0 total) plus NewTab+search combo; low installs (862) limits blast radius.

Permissions Breakdown

  • search medium Allows reading/modifying search engine settings; combined with NewTab override raises monetization risk.
  • host_permissions: https://api.gameograf.com/* low Scoped to developer's own API domain; legitimate data fetch but still an outbound channel.
  • chrome_url_overrides.newtab medium Replaces new-tab page; primary vector for search monetization and user-tracking in this extension category.

Pillar Scores

Permissions3.00
Reputation4.00
Network2.00
Webstore7.00
Maintenance0.00
Privacy1.00
Code Quality2.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-08-31 08:30
Listing SHA 8d634233aa19…
Force block — not fired
Score recovered no
Elapsed