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Firefox Add-ons
2Versions
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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

Grayscale Bro is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites. It comes from a publisher with 7 extensions and was last updated in February 2024.

Grayscale Bro

Grayscale Bro Firefox extension security report

ID: grayscale-bro

Extension Info & Metadata

Status
Active
Version
0.6.2
Size
0.02 MB
Rating
4.5/5
Reviews
12
Users
515
Type
Extension
Updated
Feb 2, 2024
Category
N/A
Price
Free
Featured
No
Visibility
Listed
Mature
No
By Google
No
Trusted
No
Download CRX
Firefox Add-ons
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This publisherTrack record
7extensions
All still listed

Publisher Contextual Analysis

Author
xpmn
Website
Visit
Extensions
7
Active
3
Obsolete
0
Listed
7
Unlisted
0
Users
25,944

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Screenshots & videos

Screenshot 1

Install growth

Item
Type
Severity
Description
<all_urls>
Risk Factor
Critical
This permission grants access to all websites without restriction. Rated High because it can access any web content, monitor all web activity, and potentially steal sensitive data across all sites.
Contextual Risk Factors
Risk Factor
High
The following context increases the overall risk:• 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.
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.
Older Manifest Version
Risk Factor
Medium
This extension uses Manifest Version 2

About this extension

A minimal Firefox extension for monochrome browsing. Supports dark theme and grayscale only on selected hostnames. [Notice: Doesn't work at mozilla pages]

Read the publisher’s full description

Extension for monochrome browsing. This extension using experimental features. WARNING! Some pages with `position:fixed` elements may be broken. WARNING! P.S. This is open source extension, you can check the code here: <a href="https://prod.outgoing.prod.webservices.mozgcp.net/v1/286fdab5738e5537d4ac5879d703860976413288368538ce12d4ae784664901e/https%3A//github.com/xpmn/firefox-grayscale" rel="nofollow">https://github.com/xpmn/firefox-grayscale</a> If you have any ideas how to improve it: please contribute

User reviews

Extension files

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No network indicators were extracted from this version.

Version
Size
Verdict
Findings
Permhash
0.6.1
Latest
0.02 MBNot scanned—
3fa4ea71dc11b9374d4f5997fcabd538e6e6db1f0225f2f32e92afe3c699b5ba
0.6.2
0.02 MBNot scanned—
3fa4ea71dc11b9374d4f5997fcabd538e6e6db1f0225f2f32e92afe3c699b5ba
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Code Diff

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