Top Risks

• proxy permission routes all browser traffic through unknown backend (app.myxavpn.pro, nimbusshield.space)
• install URL hijack redirects to nimbusshield.space — monetization/tracking signal at install time
• Privacy policy is Google's generic policy, not scoped to this extension; admits data collection and 3rd-party sharing
• Free-webmail developer (gmail), no developer name, no verified publisher — unaccountable operator
• JS contacts RU and NL geo hosts; only 74 installs with HIGH-tier proxy permission (tail-attack-surface)

Evidence

• proxy_permission manifest proxy declared — reroutes all browser traffic to developer-controlled servers with no accountability.
• install_url_hijack crx onInstalled opens https://nimbusshield.space/ — third-party URL hijack at install time.
• js_external_hosts crx Extension contacts app.myxavpn.pro, nimbusshield.space, t.me — 3 distinct external domains including Telegram.
• generic_privacy_policy store Policy URL is Google's own privacy page; scope_extension=false, data_collection=true, third_party_sharing=true.
• free_webmail_no_dev_name store Developer email kristi.tis@gmail.com; developer_name empty; no verified publisher badge.
• small_install_high_perm api Only 74 installs with HIGH-tier proxy permission flagged by install_perm_anomaly.
• geo_diversity api JS hosts span NL and RU; Russian-hosted VPN backend with opaque operator raises traffic-interception risk.
• no_csp manifest csp_present=false on MV3 extension; v2 calibration +2.0 Network applied.

Permissions Breakdown

• proxy high Proxy permission reroutes all browser traffic; critical capability in a VPN shell with unknown backend.

Pillar Scores

Bookkeeping