SECURITY REPORT · EXTENSHI SCAN
Surfshark VPN - Extension — fast & private
Firefox extension·by Surfshark
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
Surfshark VPN - Extension — fast & private's safety score vs every other extension we've scanned
Globally
2%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
79
median 5Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
388
median 4Declared in manifest
Active users
109116
median 3vs category median
Findings breakdown
Automated security signal · 79 distinct issues across 6 severities
79
distinct issues
detected
detected
Scanners reported 99 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical34%
High1722%
Needs Review00%
Medium4152%
Low1620%
Info23%
Permissions requested
9 risky permissions of 388 total
1 critical permission require attention
This extension requests 388 permissions in total. 9 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites
Can read and modify content on every website you visit
High
Control proxy settings
Can route your browser traffic through a proxy server
High
Observe web requests
Can monitor all network requests made by the browser
High
Control privacy settings
Can modify browser privacy settings like Do Not Track and safe browsing
High
View open tabs
Can see URLs and titles of all open tabs
High
Execute scripts in pages
Can inject and execute JavaScript code in web pages
Medium
Monitor navigation
Can observe and track tab navigation events and URL changes
Medium
Add context menu items
Can add custom items to the right-click context menu
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://surfshark.com/download/firefox/onboarding*
No additional information available.
Info
https://my.surfshark.com/account/extension-login-cs*
No additional information available.
Info
https://google.com/search*
No additional information available.
Info
https://*.google.com/search*
No additional information available.
Info
https://google.ad/search*
No additional information available.
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Scan performed by extenshi.io · Jul 27, 2026
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