SECURITY REPORT · EXTENSHI SCAN
xBrowserSync
Firefox extension·by xBrowserSync
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
xBrowserSync's safety score vs every other extension we've scanned
Globally
1%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Privacy & Security
1%of privacy & security extensions carry more risk
Riskier ←→ Safer
Ranked against 11,537 privacy & security extensions
Findings
190
median 5Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
9
median 4Declared in manifest
Active users
2349
median 3vs category median
Findings breakdown
Automated security signal · 190 distinct issues across 6 severities
190
distinct issues
detected
detected
Scanners reported 213 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical21%
High4524%
Needs Review00%
Medium10455%
Low3217%
Info74%
Permissions requested
1 risky permission of 9 total
1 high-risk permission require attention
This extension requests 9 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 current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Access bookmarks
Can read and modify your saved bookmarks
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Store local data
Can save data locally in the browser for persistence
Medium
Unlimited local storage
Can store large amounts of data locally without size limits
Low
Schedule tasks
Can schedule periodic background tasks
Info
http://*/
No additional information available.
Info
https://*/
No additional information available.
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Scan performed by extenshi.io · Aug 25, 2026
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