SECURITY REPORT · EXTENSHI SCAN
Tohoku GPA calculator
Firefox extension·by troutrot
82
/ 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
Tohoku GPA calculator's safety score vs every other extension we've scanned
Globally
43%of extensions carry more risk
Riskier ←→ Safer
Ranked against 397,225 extensions
In Download Management
33%of download management extensions carry more risk
Riskier ←→ Safer
Ranked against 4,783 download management extensions
Findings
30
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
2
median 4Declared in manifest
Active users
0
median 9vs category median
Findings breakdown
Automated security signal · 30 distinct issues across 6 severities
30
distinct issues
detected
detected
Scanners reported 31 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High00%
Needs Review00%
Medium2687%
Low413%
Info00%
Permissions requested
2 permissions declared
No risky permissions
2 permissions requested — none are flagged as risky.
Medium
Store local data
Can save data locally in the browser for persistence
Info
https://*/uprx/*
No additional information available.
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Scan performed by extenshi.io · Aug 24, 2026
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