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SECURITY REPORT · EXTENSHI SCAN

CheerpJ Applet Runner

Edge extension·by Leaning Technologies
56
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

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

CheerpJ Applet Runner's safety score vs every other extension we've scanned
Globally
3%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
9%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 8,187 productivity extensions
Findings
55
median 18Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
33287
median 89vs category median

Findings breakdown

Automated security signal · 55 distinct issues across 6 severities
55
distinct issues
detected
Scanners reported 278 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

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

Low
Schedule tasks

Can schedule periodic background tasks

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Scan performed by extenshi.io · Aug 4, 2026
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