extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Yuyan Desktop Fullscreen

Edge extension·by 海宏
32
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.

Abandonedsafety score reduced by 40 points

  • No update in over 4 years
  • The developer's website is no longer reachable
  • Built on Manifest V2, which Chrome and Edge are retiring
Why this matters

An unmaintained extension keeps whatever flaws it shipped with, and a listing with users but no owner is an attractive target to buy and repurpose.

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

Yuyan Desktop Fullscreen's safety score vs every other extension we've scanned
Globally
17%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,149 extensions
In Entertainment
21%of entertainment extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 4,272 entertainment extensions
Findings
24
median 12Lower is safer
Critical findings
3
median 0Severity = Critical
Permissions
5
median 0Declared in manifest
Active users
85
median 55vs category median

Findings breakdown

Automated security signal · 24 distinct issues across 6 severities
24
distinct issues
detected

Permissions requested

3 risky permissions of 5 total
3 high-risk permissions require attention
This extension requests 5 permissions in total. 3 of them grant broad capabilities that are worth a careful look.
High
View open tabs

Can see URLs and titles of all open tabs

High
Access all HTTP sites

Can read and modify content on all non-encrypted websites

High
Access all HTTPS sites

Can read and modify content on all encrypted websites

Medium
Store local data

Can save data locally in the browser for persistence

Info
windows

No additional information available.

Are you the author of Yuyan Desktop Fullscreen?

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 Yuyan Desktop Fullscreen'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/57226)](https://catalog.extenshi.io/extensions/57226/security)
HTML
<a href="https://catalog.extenshi.io/extensions/57226/security"><img src="https://catalog.extenshi.io/api/badge/57226" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Aug 22, 2026
Browser extensions made transparent.