extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Manga Reader

Firefox extension·by Sgazs
59
/ 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

Manga Reader's safety score vs every other extension we've scanned
Globally
5%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,560 extensions
In Appearance
1%of appearance extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 19,028 appearance extensions
Findings
150
median 4Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
16
median 2Declared in manifest
Active users
16
median 3vs category median

Findings breakdown

Automated security signal · 150 distinct issues across 6 severities
150
distinct issues
detected
Scanners reported 151 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

3 risky permissions of 16 total
1 critical permission require attention
This extension requests 16 permissions in total. 3 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
Observe web requests

Can monitor all network requests made by the browser

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Write to clipboard

Can place content onto your clipboard

Medium
Read clipboard

Can read text and data currently on your clipboard

Medium
Access current tab

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

Medium
Monitor navigation

Can observe and track tab navigation events and URL changes

Info
https://fonts.googleapis.com/

No additional information available.

Info
https://cdn.jsdelivr.net/npm/jquery@3.6.0/dist/jquery.min.js

No additional information available.

Info
https://ajax.googleapis.com/ajax/libs/jquery/3.6.3/jquery.min.js

No additional information available.

Are you the author of Manga Reader?

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 Manga Reader'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/82726)](https://catalog.extenshi.io/extensions/82726/security)
HTML
<a href="https://catalog.extenshi.io/extensions/82726/security"><img src="https://catalog.extenshi.io/api/badge/82726" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Oct 21, 2026
Browser extensions made transparent.