Firefox Add-ons

4Versions

0Code reviewed

Not reviewed

No code review on record

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21 indicators in this extension

21 indicators

0 versions analysed

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What our analysis found

Forecastfox - Weather Forecast, used by 11,533 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 publisher with 18 extensions and was last updated in November 2025.

Forecastfox - Weather Forecast Firefox extension security report

ID: forecastfox

Extension Info & Metadata

Status

Active

Version

5.3

Size

1.28 MB

Rating

3.9/5

Reviews

707

Users

11,533

Type

Extension

Updated

Nov 27, 2025

Publisher Contextual Analysis

Author: Oleksandr
Privacy: Privacy Policy
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes
Website: Visit

Extensions

Active

Obsolete

Listed

Unlisted

Users

231,071

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Screenshots & videos

Install growth

User Growth

No data available

No user growth data available for this extension

Rating Count

No data available

No rating count data available for this extension

Average Rating

No data available

No rating data available for this extension

See plans

React Flow

Internal permhash`0b76a81064…`
No malicious matches

3 other extensions carry this fingerprint, none of them known malicious.

Withheldnot flagged
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Withheldnot flagged

Permhash (Mandiant)`24b802c2b1…`
Too common to be evidence

313 other extensions carry this fingerprint, 9 of them known malicious. A permission set this common is not evidence on its own; the most installed members are listed for reference.

Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
Withheldmalicious
+306 more

Network indicators

21 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.
Contextual Risk Factors	Risk Factor	High	The following context increases the overall risk:• 10% increase: Early script execution enables pre-emptive content manipulation
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.
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.
alarms	Permission	Low	This permission schedules periodic tasks. Rated Low because it can only trigger events at specified times without access to sensitive data.

21 indicators in this extension

21 indicators

0 versions analysed

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

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About this extension

International weather forecasts with easy and convenient settings

User reviews

4.4 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

Works Perfectly & Gives Weather Alerts - Crucial in the Midwest, South and Texas; no more annoying toolbar in my way (it's an option), and is very accurate with forecast, current and a radar preview on one screen when you click it on your toolbar, which is exactly what I needed and wanted! My Dad used this in the way back firefox like.. 10.x days, but never could stand the in the way tab, glad it's an optional thing now

��

𓋹𓃢⛤Diesel_Wulf⛤𓃢𓋹 🐺🏍️🥾⚜️·2 Sept 2026

Forecastfox is a wonderful add-on that provides me with detailed weather data thanks to its numerous selection options. Unfortunately, I can't give it a perfect score because I'm used to seeing air pressure in hectopascal, and after restarting the browser, English is the default language again. Even if you previously selected a different language.

Marty·29 Aug 2026

Extension files

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URLs

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No URLs found

No IP addresses found

21 indicators in this extension

21 indicators

0 versions analysed

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

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Version	Size	Verdict	Findings	Permhash
4.12 Latest	1.25 MB	Not scanned	—	f4541f14c822e47f365258e32df13812040e1f182e72d308b0ba476c7e748024
5.1	1.26 MB	Not scanned	—	3e994f52910d1c092b185040de7363fd48b0d9cff4e50a4e74a455d39b9218c8
5.2	1.26 MB	Not scanned	—	3e994f52910d1c092b185040de7363fd48b0d9cff4e50a4e74a455d39b9218c8
5.3	1.28 MB	Not scanned	—	24b802c2b10dd34a4373e788f3327aa94aa4a872520ebe735c6ee7f4a5c3b8a4

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Code Diff

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Not reviewed

21 indicators in this extension

What our analysis found