Netskope Extension Risk

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Redmine Markdown Preview & Converter

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Risk Score
4.07
Risk Level: Medium
Recommendation: 🟡 MEDIUM RISK — review
Category DeveloperTools
Installs
Rating
Last updated 2026-06-12
Manifest version MV3
CSP present ❌ no
Developer bysky5.44.32.164@gmail.com
Verified publisher ❌ no
Featured by Google ❌ no
Privacy policy link
Web Store open ↗

Top Risks

  • Generic Google privacy policy (scope_extension=false, admits data_collection+third_party_sharing) — worst privacy classification.
  • Developer identity is a numbered Gmail alias (bysky5.44.32.164@gmail.com) with no verified business presence.
  • brand_mention flags github impersonation (confirmed_owner=false); extension loads assets-cdn.github.com.
  • DOM-XSS sink (innerHTML on user-controlled HTML) with no CSP — exploitation surface for malicious Markdown input.
  • No install count or rating data; unknown blast radius and no community trust signals.

Evidence

  • privacy_policy_generic_google store Policy is Google's own account privacy page; scope_extension=false, data_collection=true, third_party_sharing=true → +10.0 privacy (D rule).
  • developer_free_webmail_alias manifest Dev email bysky5.44.32.164@gmail.com — numbered alias, no business domain, no verified publisher.
  • brand_impersonation_github store brand_mention.is_impersonation=true for 'github'; confirmed_owner=false. Contacts assets-cdn.github.com.
  • dom_xss_no_csp crx innerHTML sink in markdown-engine.js with csp_present=false → dom_sink_innerhtml_userctrl elevated to +2.0.
  • no_install_count store installs field empty; reach unknown but no popularity signals.
  • js_external_hosts crx External hosts: assets-cdn.github.com, github.com — consistent with Markdown rendering; single country (IN).
  • reputation_numbered_alias store Free-webmail + numbered alias + no business website → reputation floor rules apply.
  • mv3_no_csp manifest MV3 extension; no explicit CSP declared. MV3 strict default applies — no +2.0 network penalty.

Permissions Breakdown

  • activeTab low Scoped to current tab only on user action; minimal blast radius.
  • scripting medium Allows programmatic script injection into pages; elevated risk without host_permissions.

Pillar Scores

Permissions1.30
Reputation8.00
Network0.00
Webstore4.00
Maintenance0.00
Privacy10.00
Code Quality2.00
CVE Exposure0.00

Bookkeeping

Rubric v3.6
Scored at 2026-06-16 08:04
Listing SHA 5dc9b71bc1fc…
Force block — not fired
Score recovered no
Elapsed 22.5s