SECURITY REPORT · EXTENSHI SCAN
SeikisoViewer
Firefox extension·by なかむーら
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
SeikisoViewer's safety score vs every other extension we've scanned
Globally
73.03999999999999%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
63.03999999999999%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
10
median 38Lower is safer
Risky permissions
1
median 1Critical + high perms
Total permissions
5
median 4All declared perms
Critical findings
1
median 2Severity = Critical
Findings breakdown
Automated security signal · 10 distinct issues across 6 severities
10
distinct issues
detected
detected
Scanners reported 12 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical110%
High660%
Needs Review00%
Medium110%
Low220%
Info00%
Permissions requested
1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
View open tabs
Can see URLs and titles of all open tabs
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://*.youtube.com/*
No additional information available.
Info
https://www.youtube.com/channel/*/live
No additional information available.
Info
https://*.youtube.com/live_chat*
No additional information available.
Are you the author of SeikisoViewer?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show SeikisoViewer'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.