SECURITY REPORT · EXTENSHI SCAN
NetBlock
Chrome extension
0
/ 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
NetBlock's safety score vs every other extension we've scanned
Globally
34%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
44%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
10
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
8
median 14vs category median
Findings breakdown
Automated security signal · 10 distinct issues across 6 severities
10
distinct issues
detected
detected
Critical110%
High110%
Needs Review00%
Medium660%
Low220%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
Low
View blocked request stats
Can see which declarative rules matched network requests
Are you the author of NetBlock?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show NetBlock's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 22, 2026
Browser extensions made transparent.