Netskope Extension Risk

Detail view · rubric v3.6
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WebTun — чистый VPN

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Risk Score
5.44
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category VPN
Installs 33
Rating 5.0
Last updated 2026-04-07 (5 months ago)
Manifest version MV3
CSP present ❌ no
Developer kameqoko032@gmail.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • proxy permission enables full browser traffic redirection to attacker-controlled spidervpn.online infrastructure
  • Privacy policy URL 404s (fetch_error) — no verifiable data handling disclosure for a VPN handling all traffic
  • Free-webmail developer (gmail), no developer name, no verified publisher — anonymous operator
  • Only 33 installs with HIGH-tier permission: tail-attack-surface risk if extension is targeted or sold
  • External JS host is spidervpn.online (RU-hosted, unresolved domain age) — single opaque Russian backend

Evidence

  • proxy_permission manifest proxy declared — can silently reroute all browser HTTP/HTTPS traffic through any server the extension specifies.
  • privacy_policy_fetch_error crx https://spidervpn.online/privacy returned HTTPError; policy could not be evaluated — treated as no policy.
  • free_webmail_no_dev_name store Developer email kameqoko032@gmail.com; developer_name is empty; no verified publisher badge.
  • small_install_high_perm api 33 installs with proxy (HIGH-tier) — install_perm_anomaly.small_install_high_perm == true.
  • js_external_host_ru crx Only external JS host is spidervpn.online, geo-resolved to RU. Single opaque backend for VPN extension.
  • no_csp manifest content_security_policy is null; MV3 strict default applies but no explicit policy declared.
  • no_obfuscation_no_code_findings crx obfuscation_score=0.0, code_findings_raw empty — no malicious code detected in 6 scanned JS files.
  • wayback_no_history api wayback first_snapshot null; domain has no archive history — brand-new or obscure operator.

Permissions Breakdown

  • proxy high Can redirect all browser traffic through an arbitrary proxy server — full network interception capability.

Pillar Scores

Permissions6.50
Reputation7.50
Network2.00
Webstore3.50
Maintenance1.50
Privacy10.00
Code Quality0.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-09-02 13:32
Listing SHA 317d77ff8847…
Force block — not fired
Score recovered no
Elapsed