SECURITY REPORT · EXTENSHI SCAN

Chess.com Companion

Chrome extension·by WTZLABS
82
/ 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

Chess.com Companion's safety score vs every other extension we've scanned
Globally
44%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 397,224 extensions
In Productivity
56%of productivity extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 191,247 productivity extensions
Findings
48
median 16Lower is safer
Critical findings
0
median 0Severity = Critical
Permissions
4
median 3Declared in manifest
Active users
11
median 14vs category median

Findings breakdown

Automated security signal · 48 distinct issues across 6 severities
48
distinct issues
detected
Scanners reported 78 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.

Permissions requested

4 permissions declared
No risky permissions
4 permissions requested — none are flagged as risky.
Medium
Store local data

Can save data locally in the browser for persistence

Medium
Access current tab

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

Low
Use side panel

Can display content in the browser side panel

Low
Schedule tasks

Can schedule periodic background tasks

Are you the author of Chess.com Companion?

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 Chess.com Companion'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/418674)](https://catalog.extenshi.io/extensions/418674/security)
HTML
<a href="https://catalog.extenshi.io/extensions/418674/security"><img src="https://catalog.extenshi.io/api/badge/418674" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Sep 6, 2026
Browser extensions made transparent.