SECURITY REPORT · EXTENSHI SCAN
FlagScout
Firefox extension·by Gooners
74
/ 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
FlagScout's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
Riskier ←→ Safer
Ranked against 403,022 extensions
In Privacy & Security
17%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,537 privacy & security extensions
Findings
12
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
5
median 4Declared in manifest
Active users
4
median 3vs category median
Findings breakdown
Automated security signal · 12 distinct issues across 6 severities
12
distinct issues
detected
detected
Critical18%
High433%
Needs Review00%
Medium650%
Low18%
Info00%
Permissions requested
3 risky permissions of 5 total
3 high-risk permissions require attention
This extension requests 5 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Observe web requests
Can monitor all network requests made by the browser
High
Block and modify web requests
Can intercept, block, or modify any network request before it completes
Medium
DNS resolution
Can perform DNS lookups
Medium
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Aug 7, 2026
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