SECURITY REPORT · EXTENSHI SCAN
BrowserFF Control MCP
Firefox extension·by Rév
0
/ 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
BrowserFF Control MCP's safety score vs every other extension we've scanned
Globally
68.93%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
58.93000000000001%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
16
median 38Lower is safer
Risky permissions
4
median 1Critical + high perms
Total permissions
10
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 16 findings across 5 severities
16
findings
detected
detected
Critical16%
High213%
Medium850%
Low531%
Info00%
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
Access to all websites
Can read and modify content on every website you visit
High
View open tabs
Can see URLs and titles of all open tabs
High
Access browsing history
Can read and modify your complete browsing history
High
Manage downloads
Can initiate downloads and access your download history
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Access bookmarks
Can read and modify your saved bookmarks
Low
Find in page
Can use the browser find-in-page functionality
Low
Manage tab groups
Can create and manage tab groups
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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