SECURITY REPORT · EXTENSHI SCAN
Premium AdBlock
Firefox extension·by Happy Story GmbH
65
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.
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
Premium AdBlock's safety score vs every other extension we've scanned
Globally
9%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,224 extensions
In Privacy & Security
6%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,465 privacy & security extensions
Findings
27
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
5
median 4Declared in manifest
Active users
30
median 3vs category median
Findings breakdown
Automated security signal · 27 distinct issues across 6 severities
27
distinct issues
detected
detected
Critical27%
High519%
Needs Review00%
Medium1244%
Low726%
Info14%
Permissions requested
5 risky permissions of 5 total
5 high-risk permissions require attention
This extension requests 5 permissions in total. 5 of them grant broad capabilities that are worth a careful look.
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
High
View open tabs
Can see URLs and titles of all open tabs
High
Access all HTTP sites
Can read and modify content on all non-encrypted websites
High
Access all HTTPS sites
Can read and modify content on all encrypted websites
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Scan performed by extenshi.io · Aug 24, 2026
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