SECURITY REPORT · EXTENSHI SCAN
Jasper
Chrome extension·by hello_world
0
/ 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
Jasper's safety score vs every other extension we've scanned
Globally
4%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Productivity
5%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 177,133 productivity extensions
Findings
70
median 16Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
13
median 3Declared in manifest
Active users
443
median 14vs category median
Findings breakdown
Automated security signal · 70 distinct issues across 6 severities
70
distinct issues
detected
detected
Scanners reported 105 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical23%
High1724%
Needs Review00%
Medium3449%
Low1724%
Info00%
Permissions requested
6 risky permissions of 13 total
1 critical permission require attention
This extension requests 13 permissions in total. 6 of them grant broad capabilities that are worth a careful look.
Critical
Browser debugger access
Can attach to tabs and inspect/modify all page data using Chrome DevTools protocol
High
View open tabs
Can see URLs and titles of all open tabs
High
Control proxy settings
Can route your browser traffic through a proxy server
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
High
Manage downloads
Can initiate downloads and access your download history
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
Add context menu items
Can add custom items to the right-click context menu
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Show notifications
Can display desktop notifications outside the browser
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
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Aug 20, 2026
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