Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — autozai – Otimize o tempo e multiplique as vendas no WhatsApp [adware] + malext.io malicious_extension_sentry (+2.5, capped).
• Privacy policy is Google's own policy — not scoped to this extension; admits data collection and 3rd-party sharing (score +10).
• Uninstall URL hijack and install URL hijack both flagged; classic monetization/tracking shell behavior (+3 Webstore each).
• WhatsApp brand impersonation by unverified developer with no confirmed ownership (+2 Reputation).
• 10 distinct external wascript.com.br/watools.com.br endpoints contacted; broad backend surface with no CSP (network risk +2).

Evidence

• uninstall_url_hijack + install_url_hijack manifest Both onInstalled and onUninstalled URL hooks set; classic monetization shell pattern.
• privacy_policy_generic_google store Privacy policy URL is myaccount.google.com — Google's own policy, not scoped to this extension; data_collection+third_party_sharing true.
• brand_impersonation_whatsapp store brand_mention.is_impersonation=true for WhatsApp; developer domain extensao.store not confirmed owner.
• external_hosts_broad crx 10 distinct wascript.com.br/watools.com.br subdomains in js_external_hosts; no CSP to restrict outbound connections.
• function_constructor crx new Function() detected in content script — code-injection risk (+2.5 code quality).
• dom_sink_innerhtml_userctrl crx innerHTML sink with no CSP present — elevated DOM-XSS risk (+2.0 per FIX B).
• no_csp_mv3 manifest content_security_policy is null; MV3 default applies but external host connections remain unrestricted.
• unverified_developer store verified_publisher=false, not featured, developer name 'Stfl' minimal, dev email on extensao.store domain.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — autozai – Otimize o tempo e multiplique as vendas no WhatsApp [adware] + malext.io malicious_extension_sentry; score 6.35 -> 8.85 (+2.5 cap 2.5).

Permissions Breakdown

• unlimitedStorage low Allows large local storage; low risk for a CRM tool.
• storage low Standard key-value storage; expected for CRM state.
• alarms low Scheduling alarms; low risk.
• tabs medium Can read tab URLs and titles; moderate risk when paired with WhatsApp host access.
• https://web.whatsapp.com/* medium Scoped to WhatsApp Web only; matches stated function but grants full page-script access to chat data.

Pillar Scores

Bookkeeping