Netskope Extension Risk

Detail view · rubric v3.6
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Converter for Excel

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Risk Score
4.83
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category Productivity
Installs 50,000
Rating 3.9
Last updated 2026-07-13 (3 months ago)
Manifest version MV3
CSP present ❌ no
Developer arsalan.sosa2021@gmail.com
Verified publisher ✅ yes
Featured by Google ✅ yes
Privacy policy link
Web Store open ↗

Top Risks

  • Privacy policy unreachable (fetch_error) — data handling practices unknown
  • Uninstall URL hijack detected — redirects users on removal
  • Install URL hijack detected — opens third-party URL on installation
  • Free Gmail developer email without verified business identity
  • innerHTML XSS sink in convert-app.js without CSP protection

Evidence

  • privacy_policy_unreachable crx Privacy policy URL returned ConnectionError during fetch — cannot verify data handling scope
  • uninstall_url_hijack crx chrome.runtime.setUninstallURL() detected with third-party target
  • install_url_hijack crx onInstalled handler opens third-party URL on installation
  • developer_identity store Free Gmail address (arsalan.sosa2021@gmail.com) without verified business domain
  • code_finding_dom_xss crx innerHTML assignment from variable in convert-app.js — DOM-XSS sink without CSP mitigation
  • code_finding_function_constructor crx new Function() constructor in jszip.min.js — dynamic code execution risk
  • high_install_count store 50,000 installs with limited permission surface

Permissions Breakdown

  • contextMenus low Context menu entry for Excel conversion actions.

Pillar Scores

Permissions0.30
Reputation2.50
Network1.50
Webstore4.00
Maintenance0.00
Privacy9.00
Code Quality2.50
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-10-27 10:56
Listing SHA c2c7a63819b3…
Force block — not fired
Score recovered no
Elapsed —