SECURITY REPORT · EXTENSHI SCAN
AdShield AdBlocker
Firefox extension·by Bulk Image Downloader
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
AdShield AdBlocker's safety score vs every other extension we've scanned
Globally
12%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,711 extensions
In Privacy & Security
5%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 24,679 privacy & security extensions
Findings
64
median 3Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
12
median 3Declared in manifest
Active users
1
median 5vs category median
Findings breakdown
Automated security signal · 64 findings across 5 severities
64
findings
detected
detected
Critical35%
High35%
Medium5688%
Low23%
Info00%
Permissions requested
4 risky permissions of 12 total
1 critical permission require attention
This extension requests 12 permissions in total. 4 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
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
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
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
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Block requests with host access
Can block or redirect network requests and requires host permissions
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
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Scan performed by extenshi.io · Jun 25, 2026
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