Firefox Add-ons

135Versions

0Code reviewed

Not reviewed

No code review on record

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4 indicators in this extension

4 indicators

0 versions analysed

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What our analysis found

Dualsub - YouTube Subtitle Translator, used by 5,106 people, is not yet reviewed by Extension Auditor. It comes from a trusted publisher and was last updated in July 2026.

Dualsub - YouTube Subtitle Translator Firefox extension security report

ID: dualsub

Extension Info & Metadata

Status

Active

Version

2.71.1

Size

0.03 MB

Rating

4.2/5

Reviews

125

Users

5,106

Type

Extension

Updated

Jul 21, 2026

Publisher Contextual Analysis

Trusted

Author: Dualsub Studio
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

10,242

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Screenshots & videos

Install growth

User Growth

Showing data from Sep 13, 2023 to Sep 12, 2024

Versions

+4.87%(+235 users)

Compared to 3 months ago

50 versions released in this period

Rating Count

Total: 96 ratings

Average Rating

Current: 4.40 / 5.0+0.05

See plans

React Flow

Internal permhash`e3d8e5bf2d…`
No malicious matches

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

Withheldnot flagged
Withheldnot flagged
Withheldnot flagged

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

72,711 other extensions carry this fingerprint, 7,256 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
+72,704 more

Network indicators

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

Item	Type	Severity	Description
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.
https://www.youtube.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://m.youtube.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://www.iflix.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://www.iq.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://www.viki.com/*	Host	Medium	Host permission — access limited to this URL pattern.
https://www.youku.tv/*	Host	Medium	Host permission — access limited to this URL pattern.
https://wetv.vip/*	Host	Medium	Host permission — access limited to this URL pattern.
https://.dualsub.xyz/	Host	Medium	Host permission — access limited to this URL pattern.

4 indicators in this extension

4 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

Translate and display dual subtitles on YouTube and other video websites.

Read the publisher’s full description

Translate and display dual subtitles on YouTube and other video websites. Lightweight, simple, and efficient.

User reviews

2.3 out of 5 · 10 most recent reviews

Text reviews

Positive

Negative

horrible. cual es el punto de la extension si no soporta japones? es literal el unico idioma (no el unico, pero se me entiende) que usa simbolos totalmente inentendibles para cualquier extrangero, para mi la extension simplemente no cumple si no soporta un idioma tan conocido como este.

Axell·25 Sept 2026

scam, dont take it

Kranziiii·30 Aug 2026

it used to be amazing but now it doesnt work please fix it

Extension files

Browse and explore files within this extension package

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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

4 indicators in this extension

4 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
1.86.8 Latest	0.30 MB	Not scanned	—	8297c37914cd28d1945e5b8924d82c7ee9bf825f25275d1e24f184169b3c701a
1.86.9	0.30 MB	Not scanned	—	8297c37914cd28d1945e5b8924d82c7ee9bf825f25275d1e24f184169b3c701a
1.86.10	0.30 MB	Not scanned	—	8297c37914cd28d1945e5b8924d82c7ee9bf825f25275d1e24f184169b3c701a
1.86.11	0.30 MB	Not scanned	—	8297c37914cd28d1945e5b8924d82c7ee9bf825f25275d1e24f184169b3c701a
2.20.0	0.11 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
2.21.0	0.11 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
2.22.0	0.11 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
2.22.1	0.11 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
2.22.2	0.11 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7
2.23.0	0.11 MB	Not scanned	—	49a25f9feefaffecad0fcd30c50dc9331cff8b55ece53def6285c09e17e6f5d7

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Code Diff

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Not reviewed

4 indicators in this extension

What our analysis found