SECURITY REPORT · EXTENSHI SCAN
YouTube Rewind
Firefox extension·by crixqq
0
/ 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
YouTube Rewind's safety score vs every other extension we've scanned
Globally
84.52%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
74.52%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
11
median 38Lower is safer
Risky permissions
1
median 1Critical + high perms
Total permissions
15
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 11 findings across 5 severities
11
findings
detected
detected
Critical00%
High00%
Medium764%
Low436%
Info00%
Permissions requested
1 risky permission of 15 total
1 high-risk permission require attention
This extension requests 15 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
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
Medium
Read clipboard
Can read text and data currently on your clipboard
Medium
Write to clipboard
Can place content onto your clipboard
Info
https://i.ytimg.com/*
No additional information available.
Info
https://yt3.ggpht.com/*
No additional information available.
Info
https://yt3.googleusercontent.com/*
No additional information available.
Info
https://openrouter.ai/*
No additional information available.
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Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
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