SECURITY REPORT · EXTENSHI SCAN
Joshi Koukousei Captcha Service
Firefox extension·by araragi-coomtech
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
Joshi Koukousei Captcha Service's safety score vs every other extension we've scanned
Globally
93.51%of extensions carry more risk
Riskier ←→ Safer
Ranked across every extension we scan
In its category
83.51%of its category extensions carry more risk
Riskier ←→ Safer
Ranked within its category
Findings
3
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 · 3 findings across 5 severities
3
findings
detected
detected
Critical00%
High00%
Medium3100%
Low00%
Info00%
Permissions requested
3 permissions declared
No risky permissions
3 permissions requested — none are flagged as risky.
Info
https://*.4chan.org/*
No additional information available.
Info
https://*.4channel.org/*
No additional information available.
Info
https://sys.4chan.org/*
No additional information available.
Are you the author of Joshi Koukousei Captcha Service?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Scan performed by extenshi.io · Jun 25, 2026· partial run (some scanners failed)
Browser extensions made transparent.