SECURITY REPORT · EXTENSHI SCAN
Web Filter for Firefox
Firefox extension·by National Education Technologies Inc.
15
/ 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
Web Filter for Firefox's safety score vs every other extension we've scanned
Globally
0%of extensions carry more risk
Riskier ←→ Safer
Ranked against 415,831 extensions
In Privacy & Security
0%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 12,618 privacy & security extensions
Findings
19
median 9Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
4
median 4Declared in manifest
Active users
286
median 3vs category median
Findings breakdown
Automated security signal · 19 distinct issues across 6 severities
19
distinct issues
detected
detected
Critical211%
High15%
Needs Review00%
Medium1579%
Low15%
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
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Info
https://extensionpay.com/*
No additional information available.
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Scan performed by extenshi.io · Oct 22, 2026
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