Netskope Extension Risk

Detail view · rubric v3.6
← Back to catalog

Kawaii Kuromi Flying On Baku Live Wallpaper by Sanrio

fjmlhfejlohohljeioedcliggbfkihdf
Risk Score
6.15
Risk Level: High
Recommendation: 🚫 BLOCK
Category NewTab
Installs 269
Rating
Last updated 2026-05-12 (4 months ago)
Manifest version MV3
CSP present ❌ no
Developer support@gameograf.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • NewTab override by a 15-sibling operator cluster with uninstall+install URL hijack — mass newtab monetization factory.
  • Privacy policy URL returns ConnectionError (fetch_error); policy treated as absent — full +10.0 privacy score.
  • Operator fingerprint shared by 50 dev-email siblings and 21 uninstall/CSP-host siblings — industrial shell pattern.
  • Uninstall and install URL both hijacked to gameograf.com UTM affiliate endpoint.
  • Two innerHTML DOM-XSS sinks with no CSP; MV3 but no content_security_policy declared.

Evidence

  • newtab_override manifest chrome_url_overrides.newtab set to newtab.html — replaces every new tab for 269 installs.
  • uninstall_url_hijack crx setUninstallURL → https://gameograf.com/?utm_source=extension&utm_medium=install (3rd-party UTM).
  • install_url_hijack crx onInstalled opens https://gameograf.com/?utm_source=extension&utm_medium=install.
  • operator_cluster api 15 compound siblings; 50 sharing dev email; 21 sharing uninstall URL — mass newtab shell factory.
  • privacy_policy_unreachable api fetch_error:ConnectionError on https://api.gameograf.com/gameograf-privacy-policy.html — treated as absent.
  • dom_xss_sinks crx 2× innerHTML from user-controlled variable in popup.js and calendar.js; no CSP present.
  • no_csp manifest content_security_policy is null; MV3 default applies but no explicit restriction declared.
  • search_permission_newtab manifest 'search' permission combined with newtab override enables search monetization without declared redirect.

Permissions Breakdown

  • search medium Allows reading/overriding search provider; medium risk in newtab context.
  • chrome_url_overrides.newtab high Replaces every new-tab page; high reach, monetization surface, search redirect risk.
  • host_permissions: https://api.gameograf.com/* medium Scoped to dev API; enables data exfil to controlled endpoint.

Pillar Scores

Permissions4.00
Reputation5.00
Network2.00
Webstore10.00
Maintenance1.50
Privacy10.00
Code Quality2.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-09-16 07:33
Listing SHA 83d6df30dbf2…
Force block — not fired
Score recovered no
Elapsed