Netskope Extension Risk

Detail view · rubric v3.6
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Kosmos Vpn

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Risk Score
4.78
Risk Level: Medium
Recommendation: 🚫 BLOCK
Category VPN
Installs 17
Rating 5.0
Last updated 2026-06-12 (3 months ago)
Manifest version MV3
CSP present ❌ no
Developer ekugabezu505@gmail.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • proxy permission routes ALL browser traffic through developer-controlled servers (app.myxavpn.pro, maskirovka.space)
  • install_url_hijack opens maskirovka.space on install — unknown third-party domain with RU geo
  • Privacy policy is Google's generic policy — not scoped to this extension; collects+shares data per classification
  • Free-webmail dev (gmail), no developer name, no verified publisher — zero accountability
  • JS external hosts include maskirovka.space (RU) and t.me (Telegram) — anomalous for a VPN extension

Evidence

  • proxy_permission manifest proxy declared — full network routing control; VPN category partially justifies but unknown infra is high risk.
  • install_url_hijack crx install_url_target=https://maskirovka.space — opens unknown RU-geolocated domain on install.
  • js_external_hosts crx Contacts app.myxavpn.pro, maskirovka.space (NL+RU geo), t.me — three unrelated external hosts for a VPN.
  • privacy_policy_generic store Policy URL is Google's own account policy — scope_extension=false, data_collection=true, third_party_sharing=true.
  • developer_identity store Free-webmail gmail dev, empty developer_name, no verified publisher, no business domain.
  • install_perm_anomaly api 17 installs + HIGH-tier proxy permission — small_install_high_perm=true; classic tail-attack-surface pattern.
  • host_geo_diversity crx JS hosts span NL and RU (country_count=2); RU jurisdiction raises interception risk for a proxy extension.
  • csp_absent_mv3 manifest content_security_policy=null; MV3 provides some default protection but no explicit CSP declared.

Permissions Breakdown

  • proxy high Allows full control of browser network routing — can redirect all traffic through attacker infrastructure.

Pillar Scores

Permissions2.00
Reputation8.50
Network4.50
Webstore5.00
Maintenance0.00
Privacy10.00
Code Quality0.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-09-02 14:01
Listing SHA a70456c86f76…
Force block — not fired
Score recovered no
Elapsed