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SECURITY REPORT · EXTENSHI SCAN

Notion Highlights

Firefox extension·by Notion Highlights
75
/ 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

Notion Highlights's safety score vs every other extension we've scanned
Globally
23%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 403,277 extensions
In Search Tools
9%of search tools extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 16,645 search tools extensions
Findings
42
median 4Lower is safer
Critical findings
4
median 0Severity = Critical
Permissions
9
median 3Declared in manifest
Active users
1
median 2vs category median

Findings breakdown

Automated security signal · 42 distinct issues across 6 severities
42
distinct issues
detected

Permissions requested

4 risky permissions of 9 total
1 critical permission require attention
This extension requests 9 permissions in total. 4 of them grant broad capabilities that are worth a careful look.
Critical
Access to all websites

Can read and modify content on every website you visit

High
View open tabs

Can see URLs and titles of all open tabs

High
Access all HTTPS sites

Can read and modify content on all encrypted websites

High
Access all HTTP sites

Can read and modify content on all non-encrypted websites

Medium
Access current tab

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

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Show notifications

Can display desktop notifications outside the browser

Medium
Write to clipboard

Can place content onto your clipboard

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Scan performed by extenshi.io · Jul 27, 2026
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