SECURITY REPORT · EXTENSHI SCAN
CheerpJ JNLP Runner
Chrome extension·by Leaning Technologies Ltd
52
/ 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 JNLP Runner's safety score vs every other extension we've scanned
Globally
2%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
6%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 8,187 productivity extensions
Findings
103
median 18Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
2
median 3Declared in manifest
Active users
6000
median 89vs category median
Findings breakdown
Automated security signal · 103 distinct issues across 6 severities
103
distinct issues
detected
detected
Scanners reported 359 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical11%
High99%
Needs Review00%
Medium6765%
Low2625%
Info00%
Permissions requested
1 risky permission of 2 total
1 high-risk permission require attention
This extension requests 2 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
Medium
Store local data
Can save data locally in the browser for persistence
Are you the author of CheerpJ JNLP Runner?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show CheerpJ JNLP Runner's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 4, 2026
Browser extensions made transparent.