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SECURITY REPORT · EXTENSHI SCAN

ThemeSong for YouTube Music™ (Dynamic Themes)

Firefox extension·by Kris T
77
/ 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

ThemeSong for YouTube Music™ (Dynamic Themes)'s safety score vs every other extension we've scanned
Globally
76.67%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
66.67%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
11
median 38Lower is safer
Risky permissions
1
median 1Critical + high perms
Total permissions
7
median 4All declared perms
Critical findings
2
median 2Severity = Critical

Findings breakdown

Automated security signal · 11 distinct issues across 6 severities
11
distinct issues
detected
Scanners reported 14 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

1 risky permission of 7 total
1 high-risk permission require attention
This extension requests 7 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Show notifications

Can display desktop notifications outside the browser

Low
Trigger searches

Can trigger searches using the default search engine

Info
https://music.youtube.com/*

No additional information available.

Info
https://*.googleusercontent.com/*

No additional information available.

Info
https://*.ytimg.com/*

No additional information available.

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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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