extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Popup Download Manager

Firefox extension·by Francesco De Stefano
80
/ 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

Popup Download Manager's safety score vs every other extension we've scanned
Globally
80.22%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked across every extension we scan
In its category
70.22%of its category extensions carry more risk
This extension
Riskier ←→ Safer
Ranked within its category
Findings
26
median 38Lower is safer
Risky permissions
2
median 1Critical + high perms
Total permissions
7
median 4All declared perms
Critical findings
1
median 2Severity = Critical

Findings breakdown

Automated security signal · 26 distinct issues across 6 severities
26
distinct issues
detected
Scanners reported 29 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

2 risky permissions of 7 total
2 high-risk permissions require attention
This extension requests 7 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Manage downloads

Can initiate downloads and access your download history

High
View open tabs

Can see URLs and titles of all open tabs

Medium
Open downloaded files

Can open files that have been downloaded

Medium
Write to clipboard

Can place content onto your clipboard

Medium
Read clipboard

Can read text and data currently on your clipboard

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

Are you the author of Popup Download Manager?

Claim this extension to respond to findings, add context, and earn a verified badge on extenshi.io.

Claim this extension

Add the badge to your README

Show Popup Download Manager's live security score on GitHub or in your docs
Extenshi security score badge preview
Markdown
[![Extenshi security score](https://catalog.extenshi.io/api/badge/93355)](https://catalog.extenshi.io/extensions/93355/security)
HTML
<a href="https://catalog.extenshi.io/extensions/93355/security"><img src="https://catalog.extenshi.io/api/badge/93355" alt="Extenshi security score" /></a>

The badge always shows the current score — it updates automatically after every scan.

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