SECURITY REPORT · EXTENSHI SCAN
BookmarkNote Shelf
Firefox extension·by Clark
0
/ 100 SAFETY SCORE
CRITICAL
Severe indicators. Treat as unsafe until the developer addresses these findings.
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
BookmarkNote Shelf's safety score vs every other extension we've scanned
Globally
0%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Bookmarks
0%of bookmarks extensions carry more risk
Riskier ←→ Safer
Ranked against 5,899 bookmarks extensions
Findings
6
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
0
median 2vs category median
Findings breakdown
Automated security signal · 6 distinct issues across 6 severities
6
distinct issues
detected
detected
Critical117%
High117%
Needs Review00%
Medium350%
Low117%
Info00%
Permissions requested
1 risky permission of 4 total
1 high-risk permission require attention
This extension requests 4 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Access bookmarks
Can read and modify your saved bookmarks
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Write to clipboard
Can place content onto your clipboard
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Scan performed by extenshi.io · Jul 31, 2026
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