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SECURITY REPORT · EXTENSHI SCAN

LexiSpark: Science-Backed Video Learning

Firefox extension·by Rnbsov
69
/ 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

LexiSpark: Science-Backed Video Learning's safety score vs every other extension we've scanned
Globally
13%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 402,594 extensions
In Language Support
8%of language support extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,494 language support extensions
Findings
113
median 5Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
41
median 3Declared in manifest
Active users
1
median 3vs category median

Findings breakdown

Automated security signal · 113 distinct issues across 6 severities
113
distinct issues
detected
Scanners reported 171 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

1 risky permission of 41 total
1 high-risk permission require attention
This extension requests 41 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Unlimited local storage

Can store large amounts of data locally without size limits

Medium
Access current tab

Can temporarily access the content of the active tab when you click the extension

Low
Block network requests (declarative)

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

Info
windows

No additional information available.

Info
*://*.coursera.org/*

No additional information available.

Info
*://*.crunchyroll.com/*

No additional information available.

Info
*://*.hdrezka.ag/*

No additional information available.

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Scan performed by extenshi.io · Aug 16, 2026
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