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SECURITY REPORT · EXTENSHI SCAN

Course Saver

Chrome extension·by Course Saver
73
/ 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

Course Saver's safety score vs every other extension we've scanned
Globally
20%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 401,999 extensions
In Productivity
26%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 194,438 productivity extensions
Findings
27
median 16Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
5
median 3Declared in manifest
Active users
15
median 14vs category median

Findings breakdown

Automated security signal · 27 distinct issues across 6 severities
27
distinct issues
detected

Permissions requested

3 risky permissions of 5 total
1 critical permission require attention
This extension requests 5 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
Critical
Communicate with desktop apps

Can exchange messages with applications installed on your computer

High
View open tabs

Can see URLs and titles of all open tabs

High
Observe web requests

Can monitor all network requests made by the browser

Medium
Store local data

Can save data locally in the browser for persistence

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

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Scan performed by extenshi.io · Aug 12, 2026
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