Firefox Add-ons
4Versions
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

Norton Safe Web, used by 324,636 people, is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites and can observe network requests. It comes from a publisher with 6 extensions and was last updated in January 2025.

Norton Safe Web

Norton Safe Web Firefox extension security report

ID: norton-safe-web

Extension Info & Metadata

Status
Active
Version
3.23.0.29
Size
3.03 MB
Rating
3.9/5
Reviews
377
Users
324,636
Type
Extension
Updated
Jan 10, 2025
Category
N/A
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
This publisherTrack record
6extensions
All still listed

Publisher Contextual Analysis

Author
NortonLifeLock
Country
US
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
No
Mailbox exists
Yes
Address
60 E Rio Salado Pkwy Tempe, AZ 85281-9124 US
Website
Visit
Extensions
6
Active
3
Obsolete
0
Listed
6
Unlisted
0
Users
940,109

Screenshots & videos

Screenshot 1
Screenshot 2

Install growth

Item
Type
Severity
Description
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.
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
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.
downloads
Permission
High
This permission controls file downloads and accesses download history. Rated High because it can download malicious files, access sensitive downloaded documents, and track user download patterns.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation• 15% increase: Older manifest version lacks modern security controls
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.
Early Content Script Execution
Risk Factor
Medium
This extension runs content scripts at document_start.
Older Manifest Version
Risk Factor
Medium
This extension uses Manifest Version 2
alarms
Permission
Low
This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.
notifications
Permission
Low
This permission displays system notifications. Rated Low because it can only show user-visible notifications without accessing system data.

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About this extension

Protects your browser from online threats.

User reviews

Extension files

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URLs
64
IPv4
89

URLs

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No IP addresses found

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Version
Size
Verdict
Findings
Permhash
3.20.0.17
Latest
5.88 MBNot scanned—
617b9391a6caa97ff64cd31a4206380c08ea21285171de8b8c47cbcd8d5c2b2c
3.21.0.11
5.88 MBNot scanned—
617b9391a6caa97ff64cd31a4206380c08ea21285171de8b8c47cbcd8d5c2b2c
3.22.0.2
6.02 MBNot scanned—
617b9391a6caa97ff64cd31a4206380c08ea21285171de8b8c47cbcd8d5c2b2c
3.23.0.29
3.03 MBNot scanned—
617b9391a6caa97ff64cd31a4206380c08ea21285171de8b8c47cbcd8d5c2b2c
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Code Diff

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