extenshi.io
SECURITY REPORT · EXTENSHI SCAN

McAfee® Web Boost

Edge extension·by McAfee LLC.
15
/ 100 SAFETY SCORE
CRITICAL
Severe indicators. Treat as unsafe until the developer addresses these findings.

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

McAfee® Web Boost's safety score vs every other extension we've scanned
Globally
0%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 421,529 extensions
In Productivity
0%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 8,225 productivity extensions
Findings
38
median 22Lower is safer
Critical findings
5
median 0Severity = Critical
Permissions
10
median 3Declared in manifest
Active users
470738
median 96vs category median

Findings breakdown

Automated security signal · 38 distinct issues across 6 severities
38
distinct issues
detected

Permissions requested

4 risky permissions of 10 total
1 critical permission require attention
This extension requests 10 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps

Can exchange messages with applications installed on your computer

High
Observe web requests

Can monitor all network requests made by the browser

High
View open tabs

Can see URLs and titles of all open tabs

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Unlimited local storage

Can store large amounts of data locally without size limits

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Low
Schedule tasks

Can schedule periodic background tasks

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Scan performed by extenshi.io · Oct 23, 2026
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