SECURITY REPORT · EXTENSHI SCAN
Nextcloud Bookmarks Sync
Firefox extension·by Arka
76
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.
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
Nextcloud Bookmarks Sync's safety score vs every other extension we've scanned
Globally
28%of extensions carry more risk
Riskier ←→ Safer
Ranked against 392,440 extensions
In Bookmarks
13%of bookmarks extensions carry more risk
Riskier ←→ Safer
Ranked against 6,326 bookmarks extensions
Findings
35
median 4Lower is safer
Critical findings
6
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
0
median 2vs category median
Findings breakdown
Automated security signal · 35 distinct issues across 6 severities
35
distinct issues
detected
detected
Critical617%
High13%
Needs Review00%
Medium2880%
Low00%
Info00%
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
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
Show notifications
Can display desktop notifications outside the browser
Low
Schedule tasks
Can schedule periodic background tasks
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Scan performed by extenshi.io · Sep 13, 2026
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