Netskope Extension Risk

Detail view · rubric v3.6
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Rengoku Vs Akaza Demon Slayer Gameograf

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Risk Score
5.27
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category NewTab
Installs 3,000
Rating 5.0
Last updated 2025-10-02 (11 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

  • Privacy policy URL returns HTTP error — policy effectively unavailable, treated as no policy.
  • NewTab override with install/uninstall URL hijacks and operator cluster of 20+ siblings — monetization shell pattern.
  • Uninstall URL hijack redirects to gameograf.com with UTM tracking params.
  • Two innerHTML DOM-XSS sinks with no CSP, amplifying XSS risk from API responses.
  • Operator cluster: 20 extensions share same dev email; classic game-portal fan-content shell pattern.

Evidence

  • privacy_policy_fetch_failed api privacy_policy_classification.fetched==false (HTTPError); scored as no policy → Privacy +10.0.
  • uninstall_url_hijack crx chrome.runtime.setUninstallURL to gameograf.com with UTM params → Webstore +3.0.
  • install_url_hijack crx onInstalled opens gameograf.com with UTM params → Webstore +2.0.
  • newtab_override manifest chrome_url_overrides.newtab set → Webstore +2.0 new-tab monetization shape.
  • operator_cluster api sibling_count=3 compound; dev_email cluster=20 siblings → Webstore +2.5.
  • dom_sink_innerhtml_userctrl crx Two innerHTML sinks in popup.js and calendar.js; no CSP → Code Quality +2.0 each trigger.
  • no_developer_name store developer_name is empty string → Reputation +1.0.
  • verified_publisher store verified_publisher=true → Reputation -3.0 (capped at -1.0 per 0c: monetization pattern detected).

Permissions Breakdown

  • search medium Allows overriding default search provider; medium risk for a NewTab extension.
  • host_permissions: https://api.gameograf.com/* low Scoped to developer-controlled API domain only.
  • chrome_url_overrides.newtab medium Replaces new-tab page — primary monetization/data-collection surface for this category.

Pillar Scores

Permissions3.00
Reputation4.50
Network2.00
Webstore8.00
Maintenance3.50
Privacy10.00
Code Quality2.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-09-15 15:04
Listing SHA 0482ac930ae7…
Force block — not fired
Score recovered no
Elapsed