SECURITY REPORT · EXTENSHI SCAN
PolySub — AI Video Subtitle Translator
Chrome extension·by prepsignals
0
/ 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
Riskier ←→ Safer
Ranked against 369,936 extensions
In Make Chrome Yours
4%of make chrome yours extensions carry more risk
Riskier ←→ Safer
Ranked against 22,985 make chrome yours extensions
Findings
52
median 9Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
6
median 2Declared in manifest
Active users
7
median 18vs category median
Findings breakdown
Automated security signal · 52 distinct issues across 6 severities
52
distinct issues
detected
detected
Critical12%
High12%
Needs Review00%
Medium4383%
Low713%
Info00%
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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