Netskope Extension Risk

Detail view · rubric v3.6
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QweTab

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Risk Score
6.01
Risk Level: High
Recommendation: 🚫 BLOCK
Category NewTab
Installs 8,000
Rating 3.8
Last updated 2026-04-08 (5 months ago)
Manifest version MV3
CSP present ❌ no
Developer support@qwerpdf.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • NewTab override + content_scripts on <all_urls> including all major search engines enables search hijack and page manipulation.
  • Privacy policy URL returned fetch error — policy effectively unavailable; data practices unknown.
  • Uninstall and install URL hijack flags present; typical monetization shell behavior.
  • Suspicious external host packagestrack.com and www-bestfreemaps-com.s1search.co in JS; non-obvious third-party reach.
  • innerHTML DOM-XSS sink combined with no CSP raises XSS risk on injected content.

Evidence

  • newtab_override manifest chrome_url_overrides.newtab set to /dist/index.html; replaces every new tab with extension UI.
  • content_scripts_all_urls manifest content_scripts_matches includes <all_urls> plus explicit google/bing domains — full-page read/write.
  • uninstall_install_url_hijack crx Both uninstall_url_hijack and install_url_hijack flagged true; common monetization shell pattern.
  • privacy_policy_fetch_error api privacy_policy_classification.fetched==false, reason fetch_error:HTTPError; policy inaccessible.
  • suspicious_external_hosts crx JS contacts packagestrack.com and www-bestfreemaps-com.s1search.co; unrelated to stated PDF/tab function.
  • dom_sink_no_csp crx innerHTML user-controlled sink in dist/js/826.js with csp_present==false; elevated XSS risk.
  • function_constructor crx new Function() usage in dist/js/706.js; dynamic code execution vector.
  • no_verified_publisher store verified_publisher==false, is_featured_by_google==false; no accountability signals.

Permissions Breakdown

  • storage low Standard local data storage; low standalone risk.
  • search medium Can interact with browser search; relevant for NewTab search monetization.
  • host_permissions: https://*.qwerpdf.com/ low Scoped to developer's own domain only.
  • content_scripts: <all_urls> high Content scripts injected on all URLs; broad read/write access to every page visited.
  • content_scripts: multiple google/bing domains medium Explicit injection into major search engines suggests search result manipulation.
  • chrome_url_overrides: newtab medium Replaces new-tab page; core monetization surface for NewTab extensions.

Pillar Scores

Permissions6.00
Reputation5.50
Network4.00
Webstore8.00
Maintenance1.50
Privacy10.00
Code Quality4.50
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-09-02 15:49
Listing SHA 95477b2f4b1b…
Force block — not fired
Score recovered no
Elapsed