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SECURITY REPORT · EXTENSHI SCAN

PolySub — AI Video Subtitle Translator

Chrome extension·by prepsignals
59
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

Automated analysis of publicly available code — not a professional security audit. It may produce false positives and does not prove an extension is unsafe or safe. Treat it as one signal among many. Disclaimer · Report an issue

How it ranks

PolySub — AI Video Subtitle Translator's safety score vs every other extension we've scanned
Globally
5%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,238 extensions
In Make Chrome Yours
4%of make chrome yours extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 25,376 make chrome yours extensions
Findings
52
median 9Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 2Declared in manifest
Active users
60
median 18vs category median

Findings breakdown

Automated security signal · 52 distinct issues across 6 severities
52
distinct issues
detected

Permissions requested

1 risky permission of 6 total
1 high-risk permission require attention
This extension requests 6 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Capture tab content

Can capture audio and video streams from browser tabs

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Access user identity

Can get OAuth2 tokens and access your Google account identity

Low
Create offscreen documents

Can create hidden documents for background processing tasks

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Low
Schedule tasks

Can schedule periodic background tasks

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Scan performed by extenshi.io · Aug 16, 2026
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