SECURITY REPORT · EXTENSHI SCAN
Stream Ad Muter — ESPN
Firefox extension·by DestroyerOfAds
95
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Stream Ad Muter — ESPN's safety score vs every other extension we've scanned
Globally
77%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,225 extensions
In Games Entertainment
53%of games entertainment extensions carry more risk
Riskier ←→ Safer
Ranked against 9,435 games entertainment extensions
Findings
5
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
1
median 4vs category median
Findings breakdown
Automated security signal · 5 distinct issues across 6 severities
5
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium120%
Low480%
Info00%
Permissions requested
4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
*://*.espn.com/*
No additional information available.
Info
*://*.foxsports.com/*
No additional information available.
Info
*://*.fox.com/*
No additional information available.
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Scan performed by extenshi.io · Aug 24, 2026
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