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SECURITY REPORT · EXTENSHI SCAN

Mooc Assistant

Firefox extension·by Helios
31
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.

Likely abandonedsafety score reduced by 30 points

  • No update in over 6 years
Why this matters

An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.

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

Mooc Assistant's safety score vs every other extension we've scanned
Globally
6%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,224 extensions
In Other
2%of other extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 28,672 other extensions
Findings
25
median 3Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
243
median 2vs category median

Findings breakdown

Automated security signal · 25 distinct issues across 6 severities
25
distinct issues
detected
Scanners reported 33 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Store local data

Can save data locally in the browser for persistence

Info
*://www.icourse163.org/*

No additional information available.

Info
*://*.ulearning.cn//*

No additional information available.

Info
*://ua.ulearning.cn/learnCourse/*

No additional information available.

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Scan performed by extenshi.io · Aug 18, 2026
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