Firefox Add-ons
40Versions
0Code reviewed

Not reviewed

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77 indicators in this extension

77 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

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What our analysis found

Surfshark VPN - Extension — fast & private, used by 110,286 people, is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites, can inject scripts into pages and can observe network requests. It comes from a publisher with 2 extensions and was last updated in August 2026.

Surfshark VPN - Extension — fast & private

Surfshark VPN - Extension — fast & private Firefox extension security report

ID: surfshark-vpn-proxy

Extension Info & Metadata

Status
Active
Version
5.2.0
Size
17.44 MB
Rating
3.6/5
Reviews
1,235
Users
110,286
Type
Extension
Updated
Aug 13, 2026
Category
N/A
Price
Paid
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
This publisherTrack record
2extensions
All still listed

Publisher Contextual Analysis

Author
Surfshark
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
Yes
Mailbox exists
Yes
Website
Visit
Extensions
2
Active
1
Obsolete
0
Listed
2
Unlisted
0
Users
225,327

Screenshots & videos

Screenshot 1
Screenshot 2
Screenshot 3
Screenshot 4
Screenshot 5

Install growth

Item
Type
Severity
Description
proxy
Permission
Critical
This permission allows the extension to control the browser's proxy settings. Rated Critical because it can route all traffic through potentially malicious proxies, enabling man-in-the-middle attacks and traffic monitoring.
webRequest
Permission
Critical
This permission enables the extension to monitor and analyze all web requests made by the browser. Rated Critical because it can observe all network traffic including sensitive data, track browsing behavior, and gather authentication tokens.
privacy
Permission
Critical
This permission allows modification of Chrome's privacy settings. Rated Critical because it can disable security features, modify network configurations, and compromise browser security settings.
scripting
Permission
Critical
This permission allows injection and execution of JavaScript on any webpage. Rated Critical because it can modify page content, steal sensitive data, and inject malicious code into any site the extension has access to.
webRequestBlocking
Permission
Critical
This permission allows the extension to intercept, modify, or block any web request in real-time before it reaches its destination. Rated Critical because it can modify sensitive data (like passwords, credit cards) before encryption, redirect traffic to malicious sites, or block security updates.
<all_urls>
Host
Critical
Broad host access — the extension can read/modify content on every website.
Dangerous Permission Combination: scripting,<all_urls>,webRequest
Risk Factor
Critical
Enables sophisticated data theft through script injection and traffic monitoring
Dangerous Permission Combination: proxy,webRequestBlocking,webRequest
Risk Factor
Critical
Complete control over network traffic and routing
Dangerous Permission Combination
Risk Factor
Critical
This extension can intercept, modify, and block web requests in real-time.
webNavigation
Permission
High
This permission enables monitoring of all browser navigation events and transitions. Rated High because it can track every page visit, navigation method, and browsing pattern, potentially exposing sensitive browsing behavior and user activities.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 20% increase: Access to sensitive domains increases potential impact• 10% increase: Early script execution enables pre-emptive content manipulation• 15% increase: Older manifest version lacks modern security controls• 10% increase: About:blank access enables potential sandbox escape vectors
Broad Host Permissions
Risk Factor
High
This extension has broad host permissions allowing it to access many or all websites.
Broad Content Script Access
Risk Factor
High
This extension can inject scripts into any website.
tabs
Permission
Medium
This permission enables tab management and monitoring. Rated Medium because it can track open tabs, access tab metadata, and monitor user browsing patterns.
storage
Permission
Medium
This permission allows storing data locally in the browser. Rated Medium because it can persist sensitive user data, track user activities over time, and potentially store malicious payloads.
Access to Sensitive Domains
Risk Factor
Medium
This extension requests access to sensitive domains: https://surfshark.com/download/firefox/onboarding*, https://google.com/search*, https://*.google.com/search*, https://google.ad/search*, https://*.google.ad/search*, https://google.ae/search*, https://*.google.ae/search*, https://google.com.af/search*, https://*.google.com.af/search*, https://google.com.ag/search*, https://*.google.com.ag/search*, https://google.al/search*, https://*.google.al/search*, https://google.am/search*, https://*.google.am/search*, https://google.co.ao/search*, https://*.google.co.ao/search*, https://google.com.ar/search*, https://*.google.com.ar/search*, https://google.as/search*, https://*.google.as/search*, https://google.at/search*, https://*.google.at/search*, https://google.com.au/search*, https://*.google.com.au/search*, https://google.az/search*, https://*.google.az/search*, https://google.ba/search*, https://*.google.ba/search*, https://google.com.bd/search*, https://*.google.com.bd/search*, https://google.be/search*, https://*.google.be/search*, https://google.bf/search*, https://*.google.bf/search*, https://google.bg/search*, https://*.google.bg/search*, https://google.com.bh/search*, https://*.google.com.bh/search*, https://google.bi/search*, https://*.google.bi/search*, https://google.bj/search*, https://*.google.bj/search*, https://google.com.bn/search*, https://*.google.com.bn/search*, https://google.com.bo/search*, https://*.google.com.bo/search*, https://google.com.br/search*, https://*.google.com.br/search*, https://google.bs/search*, https://*.google.bs/search*, https://google.bt/search*, https://*.google.bt/search*, https://google.co.bw/search*, https://*.google.co.bw/search*, https://google.by/search*, https://*.google.by/search*, https://google.com.bz/search*, https://*.google.com.bz/search*, https://google.ca/search*, https://*.google.ca/search*, https://google.cd/search*, https://*.google.cd/search*, https://google.cf/search*, https://*.google.cf/search*, https://google.cg/search*, https://*.google.cg/search*, https://google.ch/search*, https://*.google.ch/search*, https://google.ci/search*, https://*.google.ci/search*, https://google.co.ck/search*, https://*.google.co.ck/search*, https://google.cl/search*, https://*.google.cl/search*, https://google.cm/search*, https://*.google.cm/search*, https://google.cn/search*, https://*.google.cn/search*, https://google.com.co/search*, https://*.google.com.co/search*, https://google.co.cr/search*, https://*.google.co.cr/search*, https://google.com.cu/search*, https://*.google.com.cu/search*, https://google.cv/search*, https://*.google.cv/search*, https://google.com.cy/search*, https://*.google.com.cy/search*, https://google.cz/search*, https://*.google.cz/search*, https://google.de/search*, https://*.google.de/search*, https://google.dj/search*, https://*.google.dj/search*, https://google.dk/search*, https://*.google.dk/search*, https://google.dm/search*, https://*.google.dm/search*, https://google.com.do/search*, https://*.google.com.do/search*, https://google.dz/search*, https://*.google.dz/search*, https://google.com.ec/search*, https://*.google.com.ec/search*, https://google.ee/search*, https://*.google.ee/search*, https://google.com.eg/search*, https://*.google.com.eg/search*, https://google.es/search*, https://*.google.es/search*, https://google.com.et/search*, https://*.google.com.et/search*, https://google.fi/search*, https://*.google.fi/search*, https://google.com.fj/search*, https://*.google.com.fj/search*, https://google.fm/search*, https://*.google.fm/search*, https://google.fr/search*, https://*.google.fr/search*, https://google.ga/search*, https://*.google.ga/search*, https://google.ge/search*, https://*.google.ge/search*, https://google.gg/search*, https://*.google.gg/search*, https://google.com.gh/search*, https://*.google.com.gh/search*, https://google.com.gi/search*, https://*.google.com.gi/search*, https://google.gl/search*, https://*.google.gl/search*, https://google.gm/search*, https://*.google.gm/search*, https://google.gr/search*, https://*.google.gr/search*, https://google.com.gt/search*, https://*.google.com.gt/search*, https://google.gy/search*, https://*.google.gy/search*, https://google.com.hk/search*, https://*.google.com.hk/search*, https://google.hn/search*, https://*.google.hn/search*, https://google.hr/search*, https://*.google.hr/search*, https://google.ht/search*, https://*.google.ht/search*, https://google.hu/search*, https://*.google.hu/search*, https://google.co.id/search*, https://*.google.co.id/search*, https://google.ie/search*, https://*.google.ie/search*, https://google.co.il/search*, https://*.google.co.il/search*, https://google.im/search*, https://*.google.im/search*, https://google.co.in/search*, https://*.google.co.in/search*, https://google.iq/search*, https://*.google.iq/search*, https://google.is/search*, https://*.google.is/search*, https://google.it/search*, https://*.google.it/search*, https://google.je/search*, https://*.google.je/search*, https://google.com.jm/search*, https://*.google.com.jm/search*, https://google.jo/search*, https://*.google.jo/search*, https://google.co.jp/search*, https://*.google.co.jp/search*, https://google.co.ke/search*, https://*.google.co.ke/search*, https://google.com.kh/search*, https://*.google.com.kh/search*, https://google.ki/search*, https://*.google.ki/search*, https://google.kg/search*, https://*.google.kg/search*, https://google.co.kr/search*, https://*.google.co.kr/search*, https://google.com.kw/search*, https://*.google.com.kw/search*, https://google.kz/search*, https://*.google.kz/search*, https://google.la/search*, https://*.google.la/search*, https://google.com.lb/search*, https://*.google.com.lb/search*, https://google.li/search*, https://*.google.li/search*, https://google.lk/search*, https://*.google.lk/search*, https://google.co.ls/search*, https://*.google.co.ls/search*, https://google.lt/search*, https://*.google.lt/search*, https://google.lu/search*, https://*.google.lu/search*, https://google.lv/search*, https://*.google.lv/search*, https://google.com.ly/search*, https://*.google.com.ly/search*, https://google.co.ma/search*, https://*.google.co.ma/search*, https://google.md/search*, https://*.google.md/search*, https://google.me/search*, https://*.google.me/search*, https://google.mg/search*, https://*.google.mg/search*, https://google.mk/search*, https://*.google.mk/search*, https://google.ml/search*, https://*.google.ml/search*, https://google.com.mm/search*, https://*.google.com.mm/search*, https://google.mn/search*, https://*.google.mn/search*, https://google.com.mt/search*, https://*.google.com.mt/search*, https://google.mu/search*, https://*.google.mu/search*, https://google.mv/search*, https://*.google.mv/search*, https://google.mw/search*, https://*.google.mw/search*, https://google.com.mx/search*, https://*.google.com.mx/search*, https://google.com.my/search*, https://*.google.com.my/search*, https://google.co.mz/search*, https://*.google.co.mz/search*, https://google.com.na/search*, https://*.google.com.na/search*, https://google.com.ng/search*, https://*.google.com.ng/search*, https://google.com.ni/search*, https://*.google.com.ni/search*, https://google.ne/search*, https://*.google.ne/search*, https://google.nl/search*, https://*.google.nl/search*, https://google.no/search*, https://*.google.no/search*, https://google.com.np/search*, https://*.google.com.np/search*, https://google.nr/search*, https://*.google.nr/search*, https://google.nu/search*, https://*.google.nu/search*, https://google.co.nz/search*, https://*.google.co.nz/search*, https://google.com.om/search*, https://*.google.com.om/search*, https://google.com.pa/search*, https://*.google.com.pa/search*, https://google.com.pe/search*, https://*.google.com.pe/search*, https://google.com.pg/search*, https://*.google.com.pg/search*, https://google.com.ph/search*, https://*.google.com.ph/search*, https://google.com.pk/search*, https://*.google.com.pk/search*, https://google.pl/search*, https://*.google.pl/search*, https://google.pn/search*, https://*.google.pn/search*, https://google.com.pr/search*, https://*.google.com.pr/search*, https://google.ps/search*, https://*.google.ps/search*, https://google.pt/search*, https://*.google.pt/search*, https://google.com.py/search*, https://*.google.com.py/search*, https://google.com.qa/search*, https://*.google.com.qa/search*, https://google.ro/search*, https://*.google.ro/search*, https://google.ru/search*, https://*.google.ru/search*, https://google.rw/search*, https://*.google.rw/search*, https://google.com.sa/search*, https://*.google.com.sa/search*, https://google.com.sb/search*, https://*.google.com.sb/search*, https://google.sc/search*, https://*.google.sc/search*, https://google.se/search*, https://*.google.se/search*, https://google.com.sg/search*, https://*.google.com.sg/search*, https://google.sh/search*, https://*.google.sh/search*, https://google.si/search*, https://*.google.si/search*, https://google.sk/search*, https://*.google.sk/search*, https://google.com.sl/search*, https://*.google.com.sl/search*, https://google.sn/search*, https://*.google.sn/search*, https://google.so/search*, https://*.google.so/search*, https://google.sm/search*, https://*.google.sm/search*, https://google.sr/search*, https://*.google.sr/search*, https://google.st/search*, https://*.google.st/search*, https://google.com.sv/search*, https://*.google.com.sv/search*, https://google.td/search*, https://*.google.td/search*, https://google.tg/search*, https://*.google.tg/search*, https://google.co.th/search*, https://*.google.co.th/search*, https://google.com.tj/search*, https://*.google.com.tj/search*, https://google.tl/search*, https://*.google.tl/search*, https://google.tm/search*, https://*.google.tm/search*, https://google.tn/search*, https://*.google.tn/search*, https://google.to/search*, https://*.google.to/search*, https://google.com.tr/search*, https://*.google.com[Truncated]
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.
About:blank Access
Risk Factor
Medium
This extension can run content scripts in about:blank pages.
Older Manifest Version
Risk Factor
Medium
This extension uses Manifest Version 2
contextMenus
Permission
Low
This permission adds items to browser context menus. Rated Medium because it only modifies right-click menus without access to page content.

77 indicators in this extension

77 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe

About this extension

Protect your Mozilla Firefox browsing with Surfshark VPN — fast, secure, private.

User reviews

Extension files

Browse and explore files within this extension package

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URLs
77

URLs

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No URLs found
No IP addresses found

77 indicators in this extension

77 indicators
0 versions analysed

Every finding is verified by a security analyst. Unlock the code evidence, indicators and version history.

Unlock this report — $4.99Start 7-day trial — all reports
One-time payment · Secure checkout by Stripe
Version
Size
Verdict
Findings
Permhash
3.23.1
Latest
6.75 MBNot scanned—
cf98cf65bfde47f28f2d58deb444d4c274ecc057047ee8616c390f561f96b745
4.2.1
8.02 MBNot scanned—
2b90eb974f0f8a7a8a386b85d86fa794ea442c20a60a6d513f215f0c95a43110
4.3.1
8.36 MBNot scanned—
2b90eb974f0f8a7a8a386b85d86fa794ea442c20a60a6d513f215f0c95a43110
4.4.1
7.64 MBNot scanned—
2b90eb974f0f8a7a8a386b85d86fa794ea442c20a60a6d513f215f0c95a43110
4.5.0
7.36 MBNot scanned—
2b90eb974f0f8a7a8a386b85d86fa794ea442c20a60a6d513f215f0c95a43110
4.6.0
7.52 MBNot scanned—
2b90eb974f0f8a7a8a386b85d86fa794ea442c20a60a6d513f215f0c95a43110
4.7.0
7.30 MBNot scanned—
2b90eb974f0f8a7a8a386b85d86fa794ea442c20a60a6d513f215f0c95a43110
4.8.1
7.60 MBNot scanned—
2b90eb974f0f8a7a8a386b85d86fa794ea442c20a60a6d513f215f0c95a43110
4.9.0
7.23 MBNot scanned—
2b90eb974f0f8a7a8a386b85d86fa794ea442c20a60a6d513f215f0c95a43110
2.1.6
0.56 MBNot scanned—
96fdda6bce04dc1936409391eff9d3daa978afd84d6c0399fc66e6498240fef1
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