extenshi.io
SECURITY REPORT · EXTENSHI SCAN

ASS Subtitle Player

Firefox extension·by Kerim Demirkaynak
74
/ 100 SAFETY SCORE
CAUTION
Mostly fine, but a few things worth reviewing before you install.

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

ASS Subtitle Player's safety score vs every other extension we've scanned
Globally
22%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 409,596 extensions
In Language Support
14%of language support extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,531 language support extensions
Findings
16
median 5Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
174
median 3vs category median

Findings breakdown

Automated security signal · 16 distinct issues across 6 severities
16
distinct issues
detected

Permissions requested

2 risky permissions of 5 total
1 critical permission require attention
This extension requests 5 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites

Can read and modify content on every website you visit

High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Unlimited local storage

Can store large amounts of data locally without size limits

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Scan performed by extenshi.io · Oct 16, 2026
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