SECURITY REPORT · EXTENSHI SCAN
AdBlockSimple
Firefox extension·by michael
0
/ 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
AdBlockSimple's safety score vs every other extension we've scanned
Globally
0%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,711 extensions
In Web Development
0%of web development extensions carry more risk
Riskier ←→ Safer
Ranked against 10,188 web development extensions
Findings
11
median 4Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
0
median 3vs category median
Findings breakdown
Automated security signal · 11 findings across 5 severities
11
findings
detected
detected
Critical327%
High218%
Medium545%
Low19%
Info00%
Permissions requested
3 risky permissions of 4 total
1 critical permission require attention
This extension requests 4 permissions in total. 3 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
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
Store local data
Can save data locally in the browser for persistence
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Scan performed by extenshi.io · Jun 25, 2026
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