Top Risks

• THREAT FEED: extension ID independently confirmed malicious by TPCI chrome-mal-ids — MaxFocus: Link Preview & AI Assistant [data-theft] + malext.io malicious_extension_sentry (+2.5, capped).
• Broad host access (*://*/*) + content scripts on all URLs — extension reads/modifies every page visited.
• AI extension processes page content; data sent to maxfoc.us backend per privacy policy.
• Uninstall URL hijack flag set — may redirect user on removal even though target is null.
• No developer name listed on store; reduces accountability signal.

Evidence

• verified_publisher + featured store Extension has verified publisher badge and is featured by Google; strong governance signal.
• broad_host_access manifest host_permissions *://*/* and content_scripts <all_urls>; can access all sites.
• uninstall_url_hijack crx uninstall_url_hijack=true but target=null; flag raised, actual redirect unknown.
• privacy_policy_adequate api Policy fetched; scope_extension=true, data_collection=true, retention=true, third_party_sharing=true.
• no_code_findings crx 0 code findings, obfuscation_score=0.0; 6 JS files scanned cleanly.
• ai_extension_page_content store AI Assistant category; processes page content and sends to backend per privacy policy.
• no_cve_findings crx No CVEs detected; no bundled vulnerable JS libraries.
• js_external_hosts crx 8 external hosts including archive.is, youtube.com, github.com, google.com, localhost.
• threat_feed_membership api Extension ID listed by TPCI chrome-mal-ids — MaxFocus: Link Preview &amp; AI Assistant [data-theft] + malext.io malicious_extension_sentry; score 2.69 -> 5.19 (+2.5 cap 2.5).

Permissions Breakdown

• declarativeNetRequest medium Can block/modify network requests; less risky than webRequest but still impactful.
• storage low Local data persistence; standard low-risk API.
• contextMenus low Adds right-click menu items; minimal risk.
• sidePanel low Opens a side panel UI; low risk surface.
• *://*/* high Broad host permission; grants access to content on all sites including sensitive pages.
• <all_urls> (content_scripts) high Content scripts injected on every page; can read/modify all page content.

Pillar Scores

Bookkeeping