SECURITY REPORT · EXTENSHI SCAN
Flash-HTML5 Player for YouTube™
Firefox extension·by Allen
0
/ 100 SAFETY SCORE
EXCELLENT
Looks clean. No meaningful risks detected in this scan.
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
Flash-HTML5 Player for YouTube™'s safety score vs every other extension we've scanned
Globally
98.1%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
88.1%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
2
median 38Lower is safer
Risky permissions
0
median 1Critical + high perms
Total permissions
3
median 4All declared perms
Critical findings
0
median 2Severity = Critical
Findings breakdown
Automated security signal · 2 distinct issues across 6 severities
2
distinct issues
detected
detected
Critical00%
High00%
Needs Review00%
Medium2100%
Low00%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
*://*.mybrowseraddon.com/*
No additional information available.
Info
*://*.youtube.com/*
No additional information available.
Are you the author of Flash-HTML5 Player for YouTube™?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show Flash-HTML5 Player for YouTube™'s live security score on GitHub or in your docs
Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
Browser extensions made transparent.