SECURITY REPORT · EXTENSHI SCAN
AdBlock Ninja for Firefox
Firefox extension·by AdBlock Ninja
0
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.
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
AdBlock Ninja for Firefox's safety score vs every other extension we've scanned
Globally
1%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
1%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
278
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
15
median 4Declared in manifest
Active users
72
median 3vs category median
Findings breakdown
Automated security signal · 278 distinct issues across 6 severities
278
distinct issues
detected
detected
Scanners reported 306 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical21%
High207%
Needs Review00%
Medium22581%
Low2710%
Info41%
Permissions requested
7 risky permissions of 15 total
1 critical permission require attention
This extension requests 15 permissions in total. 7 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
Control proxy settings
Can route your browser traffic through a proxy server
High
Observe web requests
Can monitor all network requests made by the browser
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
High
View open tabs
Can see URLs and titles of all open tabs
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
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Access user identity
Can get OAuth2 tokens and access your Google account identity
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Medium
Access location
Can determine your physical location
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Show notifications
Can display desktop notifications outside the browser
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Scan performed by extenshi.io · Jul 25, 2026
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