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SECURITY REPORT · EXTENSHI SCAN

JSloader

Firefox extension·by Firefox user 13244975
58
/ 100 SAFETY SCORE
RISKY
Several elevated signals. Read the findings before sharing this with your team.

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

JSloader's safety score vs every other extension we've scanned
Globally
57.53%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
47.53%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
67
median 38Lower is safer
Risky permissions
6
median 1Critical + high perms
Total permissions
10
median 4All declared perms
Critical findings
0
median 2Severity = Critical

Findings breakdown

Automated security signal · 67 distinct issues across 6 severities
67
distinct issues
detected

Permissions requested

6 risky permissions of 10 total
2 critical permissions require attention
This extension requests 10 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

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
Access browser cookies

Can read and modify cookies, potentially accessing login sessions

High
Manage downloads

Can initiate downloads and access your download history

High
Control proxy settings

Can route your browser traffic through a proxy server

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Show notifications

Can display desktop notifications outside the browser

Medium
Access current tab

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

Info
*://*/*

No additional information available.

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Scan performed by extenshi.io · Jul 25, 2026· partial run (some scanners failed)
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