SECURITY REPORT · EXTENSHI SCAN
Whitelist or Blacklist JavaScript
Firefox extension·by veto
0
/ 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
Whitelist or Blacklist JavaScript's safety score vs every other extension we've scanned
Globally
98.33%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
88.33%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
1
median 38Lower is safer
Risky permissions
6
median 1Critical + high perms
Total permissions
10
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 1 distinct issue across 6 severities
1
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium1100%
Low00%
Info00%
Permissions requested
6 risky permissions of 10 total
1 critical permission require attention
This extension requests 10 permissions in total. 6 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
High
View open tabs
Can see URLs and titles of all open tabs
High
Manage downloads
Can initiate downloads and access your download history
High
Access browsing history
Can read and modify your complete browsing history
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Custom menus
Can add custom items to the browser context menu
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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