SECURITY REPORT · EXTENSHI SCAN
UltraBlock Pro — Advanced Ad Blocker
Chrome extension·by desheelabs
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
UltraBlock Pro — Advanced Ad Blocker's safety score vs every other extension we've scanned
Globally
8%of extensions carry more risk
Riskier ←→ Safer
Ranked against 120,731 extensions
In Productivity
19%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 25,973 productivity extensions
Findings
28
median 10Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
7
median 23vs category median
Findings breakdown
Automated security signal · 28 findings across 5 severities
28
findings
detected
detected
Critical27%
High518%
Medium1657%
Low518%
Info00%
Permissions requested
2 risky permissions of 9 total
2 high-risk permissions require attention
This extension requests 9 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Block requests with host access
Can block or redirect network requests and requires host permissions
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
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
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Jun 25, 2026
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