SECURITY REPORT · EXTENSHI SCAN

Grabbit Video Download Manager

Firefox extension·by k1ngst0ne
70
/ 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

Grabbit Video Download Manager's safety score vs every other extension we've scanned
Globally
8%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,885 extensions
In Social & Communication
5%of social & communication extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 13,751 social & communication extensions
Findings
93
median 9Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
47
median 3Declared in manifest
Active users
10
median 4vs category median

Findings breakdown

Automated security signal · 93 distinct issues across 6 severities
93
distinct issues
detected
Scanners reported 98 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

6 risky permissions of 47 total
1 critical permission require attention
This extension requests 47 permissions in total. 6 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
Observe web requests

Can monitor all network requests made by the browser

High
Block and modify web requests

Can intercept, block, or modify any network request before it completes

High
Manage downloads

Can initiate downloads and access your download history

High
View open tabs

Can see URLs and titles of all open tabs

High
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Open downloaded files

Can open files that have been downloaded

Medium
Show notifications

Can display desktop notifications outside the browser

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Read clipboard

Can read text and data currently on your clipboard

Info
*://*.youtube.com/*

No additional information available.

Info
*://*.youtube-nocookie.com/*

No additional information available.

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Scan performed by extenshi.io · Oct 22, 2026
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