SECURITY REPORT · EXTENSHI SCAN
UniSync — Cross-Browser Bookmark Sync
Firefox extension·by bookmark unisync
64
/ 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
UniSync — Cross-Browser Bookmark Sync's safety score vs every other extension we've scanned
Globally
8%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,149 extensions
In Tabs
2%of tabs extensions carry more risk
Riskier ←→ Safer
Ranked against 12,505 tabs extensions
Findings
74
median 4Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
7
median 3Declared in manifest
Active users
3
median 2vs category median
Findings breakdown
Automated security signal · 74 distinct issues across 6 severities
74
distinct issues
detected
detected
Scanners reported 130 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High79%
Needs Review00%
Medium5372%
Low1419%
Info00%
Permissions requested
3 risky permissions of 7 total
3 high-risk permissions require attention
This extension requests 7 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
High
View open tabs
Can see URLs and titles of all open tabs
High
Access browsing history
Can read and modify your complete browsing history
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
Are you the author of UniSync — Cross-Browser Bookmark Sync?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show UniSync — Cross-Browser Bookmark Sync's live security score on GitHub or in your docs
Scan performed by extenshi.io · Sep 6, 2026
Browser extensions made transparent.