SECURITY REPORT · EXTENSHI SCAN
USC Schedule Helper
Firefox extension·by JonLuca DeCaro
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
USC Schedule Helper's safety score vs every other extension we've scanned
Globally
32%of extensions carry more risk
Riskier ←→ Safer
Ranked against 409,539 extensions
In Productivity
41%of productivity extensions carry more risk
Riskier ←→ Safer
Ranked against 198,326 productivity extensions
Findings
18
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
3
median 3Declared in manifest
Active users
8
median 14vs category median
Findings breakdown
Automated security signal · 18 distinct issues across 6 severities
18
distinct issues
detected
detected
Scanners reported 21 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical00%
High211%
Needs Review00%
Medium1161%
Low422%
Info16%
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
*://classes.usc.edu/term/*
No additional information available.
Info
*://webreg.usc.edu/*
No additional information available.
Are you the author of USC Schedule Helper?
Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.
Add the badge to your README
Show USC Schedule Helper's live security score on GitHub or in your docs
Scan performed by extenshi.io · Aug 7, 2026
Browser extensions made transparent.