Firefox Add-ons
2Versions
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

Referer Control, used by 4,184 people, is not yet reviewed by Extension Auditor. Its permissions mean it can observe network requests. It comes from a publisher with 4 extensions and was last updated in April 2024.

Referer Control Firefox extension security report

ID: referercontrol

Extension Info & Metadata

Status
Active
Version
1.31
Size
0.08 MB
Rating
3.0/5
Reviews
41
Users
4,184
Type
Extension
Updated
Apr 25, 2024
Category
N/A
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
This publisherTrack record
4extensions
All still listed

Publisher Contextual Analysis

Author
Keepa.com
MX records exist
Yes
Domain exists
Yes
Is disposable
No
Is role-based
Yes
Mailbox exists
Yes
Website
Visit
Extensions
4
Active
2
Obsolete
0
Listed
4
Unlisted
0
Users
537,746

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.
http://*/*
Host
Critical
Broad host access — the extension can read/modify content on every website.
https://*/*
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.
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
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
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.

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About this extension

Control the HTTP Referer on a per-site basis.

User reviews

Extension files

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URLs
6

URLs

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No URLs found
No IP addresses found

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Version
Size
Verdict
Findings
Permhash
1.31
Latest
0.08 MBNot scanned—
b3760e45cae186acfc03a2dc0a2a4a4131846070670c40c4afeb79a842ed9db8
1.32resigned1
0.08 MBNot scanned—
b3760e45cae186acfc03a2dc0a2a4a4131846070670c40c4afeb79a842ed9db8
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Code Diff

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0 changed files detected

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