Firefox Add-ons

10Versions

0Code reviewed

Not reviewed

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40 indicators in this extension

40 indicators

0 versions analysed

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What our analysis found

NMO-Helper is not yet reviewed by Extension Auditor. Its permissions mean it can read and change data on all websites. It comes from a trusted publisher and was last updated in July 2026.

NMO-Helper Firefox extension security report

ID: nmo-helper

Extension Info & Metadata

Status

Active

Version

4.3.0

Size

0.94 MB

Rating

0.0/5

Reviews

Users

Type

Extension

Updated

Jul 23, 2026

Publisher Contextual Analysis

Trusted

Author: Mikhail
Privacy: Privacy Policy
Country: US
MX records exist: Yes
Domain exists: Yes
Is disposable: No
Is role-based: No
Mailbox exists: Yes
Address: Naperville Office Park Naperville, IL 60540 US
Website: Visit

Extensions

Active

Obsolete

Listed

Unlisted

Users

334

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`7570aab3c2…`
Too common to be evidence

3,713 other extensions carry this fingerprint, 410 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
+3,706 more

Permhash (Mandiant)`49a25f9fee…`
Too common to be evidence

72,710 other extensions carry this fingerprint, 7,254 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
+72,703 more

Network indicators

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

Item	Type	Severity	Description
<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.
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.

40 indicators in this extension

40 indicators

0 versions analysed

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

Unlock this report — $4.99 Start 7-day trial — all reports

One-time payment · Secure checkout by Stripe

About this extension

NMO-Helper — обучающий помощник при прохождении тестов НМО на edu.rosminzdrav.ru. Подсказывает, где вы могли ошибиться в выбранном варианте, и помогает разобраться в материале. Создан для самопроверки и обучения.

User reviews

Extension files

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URLs

View the external URLs this extension communicates with to understand its network activity and data interactions.

No URLs found

No IP addresses found

40 indicators in this extension

40 indicators

0 versions analysed

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

Unlock this report — $4.99 Start 7-day trial — all reports

One-time payment · Secure checkout by Stripe

Version	Size	Verdict	Findings	Permhash
3.0.1 Latest	0.32 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
3.1.1	0.33 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
3.1.2	0.33 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
3.1.4	0.33 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
3.1.5	0.33 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
4.0.0	0.33 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
4.1.0	1.05 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
4.1.1	0.91 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
4.2.0	0.92 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
4.3.0	0.94 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7

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Code Diff

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0 changed files detected

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Not reviewed

40 indicators in this extension

What our analysis found