SECURITY REPORT · EXTENSHI SCAN
Libretto
Chrome extension·by My publisher
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
Libretto'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
46
median 16Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
10
median 3Declared in manifest
Active users
4
median 14vs category median
Findings breakdown
Automated security signal · 46 distinct issues across 6 severities
46
distinct issues
detected
detected
Scanners reported 47 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical12%
High613%
Needs Review00%
Medium3270%
Low715%
Info00%
Permissions requested
4 risky permissions of 10 total
1 critical permission require attention
This extension requests 10 permissions in total. 4 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
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
High
Access browser cookies
Can read and modify cookies, potentially accessing login sessions
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
Show notifications
Can display desktop notifications outside the browser
Low
Manage tab groups
Can create and manage tab groups
Low
Use side panel
Can display content in the browser side panel
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Aug 16, 2026
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