Firefox Add-ons

18Versions

0Code reviewed

Not reviewed

No code review on record

We have not reviewed this extension’s code, so we cannot vouch for it either way. Check the permissions below to decide whether it asks for more than it needs.

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What our analysis found

ESET Browser Privacy & Security, used by 211,949 people, is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites and can inject scripts into pages. It comes from a trusted publisher and was last updated in July 2026.

ESET Browser Privacy & Security Firefox extension security report

ID: eset-browser-privacy-security

Extension Info & Metadata

Status

Active

Version

1.1.4

Size

0.86 MB

Rating

4.5/5

Reviews

111

Users

211,949

Type

Extension

Updated

Jul 1, 2026

Publisher Contextual Analysis

Trusted

Author: ESET
Privacy: Privacy Policy
Country: SK
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes
Address: Einsteinova 24 Bratislava 851 01 SK
Website: Visit

Extensions

Active

Obsolete

Listed

Unlisted

Users

6,492,474

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Screenshots & videos

Install growth

User Growth

Showing data from Oct 22, 2023 to Oct 21, 2024

Versions

+2.14%(+4,585 users)

Compared to 3 months ago

12 versions released in this period

Rating Count

Total: 91 ratings

Average Rating

Current: 4.46 / 5.0+4.46

See plans

React Flow

Internal permhash`e3df8808b6…`
No malicious matches

1 other extension carries this fingerprint, none of them known malicious.

Withheldnot flagged

Permhash (Mandiant)`1574f226d6…`
No malicious matches

No other extension carries this fingerprint.

Network indicators

2 URLs and 0 IP literals were extracted from this version.

Item	Type	Severity	Description
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.
<all_urls>	Host	Critical	Broad host access — the extension can read/modify content on every website.
Dangerous Permission Combination: scripting,<all_urls>,cookies	Risk Factor	Critical	Enables sophisticated data theft through script injection and traffic monitoring
cookies	Permission	High	This permission provides full access to read and modify browser cookies. Rated High because it can steal session tokens, modify authentication cookies, and compromise accounts across websites.
nativeMessaging	Permission	High	This permission enables communication with applications installed on your computer. Rated High because it can exchange data with native programs, potentially exposing system-level information and local files.
browsingData	Permission	High	This permission clears browsing data, history, and redis. Rated High because it can destroy evidence of malicious activity, clear security logs, and modify browser state.
browserSettings	Permission	High	This permission (Firefox) allows the extension to read and modify global browser settings, including proxy-adjacent networking, DNS-over-HTTPS and homepage configuration. Rated High because it can weaken browser security posture globally.
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.
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.
activeTab	Permission	Medium	This permission grants temporary access to the current tab. Rated Medium because it can access current page content when invoked, though limited to user-initiated actions.
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.

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About this extension

Enjoy extended browser protection with ESET Browser Privacy & Security—includes the unique Metadata Cleanup, Secure Search and more.

User reviews

3.3 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

It does not work on Linux. I wanted to check website with their product on Firefox (inside Linux) and even their site mentioned in extension page did not rendered correctly, so there is not way to buy product and then use this extension.

Firefox user 19650630·27 Dec 2025

Firefox user 19099349·19 Jul 2025

super

herman·1 Jun 2025

Extension files

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URLs

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No URLs found

No IP addresses found

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Version	Size	Verdict	Findings	Permhash
0.7.1 Latest	0.48 MB	Not scanned	—	3e8f0ec8787136dd58d73d92f4a895a768181104129e3b714f2cb915abfb6c4a
0.8.0	0.48 MB	Not scanned	—	3e8f0ec8787136dd58d73d92f4a895a768181104129e3b714f2cb915abfb6c4a
0.9.0	0.49 MB	Not scanned	—	eb27d1f51396ee4ed9ab01def106b311e674cd28c06eb40f077bd4bf9c2728cc
1.0.0	0.61 MB	Not scanned	—	eb27d1f51396ee4ed9ab01def106b311e674cd28c06eb40f077bd4bf9c2728cc
1.0.1	0.63 MB	Not scanned	—	eb27d1f51396ee4ed9ab01def106b311e674cd28c06eb40f077bd4bf9c2728cc
1.0.2	0.64 MB	Not scanned	—	eb27d1f51396ee4ed9ab01def106b311e674cd28c06eb40f077bd4bf9c2728cc
1.0.3	0.64 MB	Not scanned	—	eb27d1f51396ee4ed9ab01def106b311e674cd28c06eb40f077bd4bf9c2728cc
1.0.4	0.64 MB	Not scanned	—	eb27d1f51396ee4ed9ab01def106b311e674cd28c06eb40f077bd4bf9c2728cc
1.0.5	0.64 MB	Not scanned	—	eb27d1f51396ee4ed9ab01def106b311e674cd28c06eb40f077bd4bf9c2728cc
1.0.6	0.64 MB	Not scanned	—	eb27d1f51396ee4ed9ab01def106b311e674cd28c06eb40f077bd4bf9c2728cc

Showing 1 to 10 of 20 rows

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Code Diff

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Not reviewed

What our analysis found