SECURITY REPORT · EXTENSHI SCAN
Booster Extension
Firefox extension·by Anh Phê
80
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue
How it ranks
Booster Extension's safety score vs every other extension we've scanned
Globally
39%of extensions carry more risk
Riskier ←→ Safer
Ranked against 402,581 extensions
In Privacy & Security
32%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,497 privacy & security extensions
Findings
4
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 4Declared in manifest
Active users
1
median 3vs category median
Findings breakdown
Automated security signal · 4 distinct issues across 6 severities
4
distinct issues
detected
detected
Critical125%
High00%
Needs Review00%
Medium250%
Low125%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Custom menus
Can add custom items to the browser context menu
Info
*://*.fast.com/*
No additional information available.
Are you the author of Booster Extension?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Booster Extension's live security score on GitHub or in your docs
Scan performed by extenshi.io · Jul 31, 2026
Browser extensions made transparent.