Netskope Extension Risk

Detail view · rubric v3.6
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GitHub Whitespace

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Risk Score
4.07
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category DeveloperTools
Installs 1,000
Rating 4.5
Last updated 2025-12-29 (6 months ago)
Manifest version MV3
CSP present ❌ no
Developer jack16.m.u@gmail.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • Privacy policy is Google's generic account policy — scope_extension=false, data_collection=true, third_party_sharing=true: scores max privacy penalty.
  • Brand impersonation: lists 'github' in brand_mention with is_impersonation=true; developer is unverified gmail user.
  • Developer uses free webmail (gmail) with no verified business domain, raising accountability concerns.
  • No CSP on MV3 extension; js_external_hosts includes webext-alert.vercel.app (third-party vercel domain).
  • Low install count (1,000) with github.com content script injection limits blast radius but reduces trust signal.

Evidence

  • brand_impersonation store brand_mention.is_impersonation=true for 'github'; developer is unverified gmail account, not GitHub Inc.
  • generic_privacy_policy store Policy is Google account policy: scope_extension=false, data_collection=true, third_party_sharing=true.
  • free_webmail_developer manifest Developer email jack16.m.u@gmail.com — no business domain, no verified publisher badge.
  • no_csp crx content_security_policy=null on MV3; no CSP hardening applied.
  • external_host_third_party crx js_external_hosts includes webext-alert.vercel.app — third-party vercel domain outside dev control.
  • host_permissions_scoped manifest host_permissions limited to *://*.github.com/* only; no broad cross-site access.
  • clean_code_scan crx code_findings_raw empty, obfuscation_score=0.0, no CVEs, no threat-intel hits.
  • maintenance_borderline store months_since_update=6; falls in 3-6mo band (+1.5 maintenance score).

Permissions Breakdown

  • activeTab low Grants access to current tab only on user action; scoped to github.com via host_permissions.
  • contextMenus low Adds right-click menu items; low standalone risk.
  • *://*.github.com/* (host) medium Content script injection on all github.com pages; scoped to single domain, not broad.

Pillar Scores

Permissions1.30
Reputation7.50
Network2.00
Webstore2.50
Maintenance1.50
Privacy10.00
Code Quality0.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-06-16 07:34
Listing SHA 62fe11be542d…
Force block — not fired
Score recovered no
Elapsed 20.2s