extenshi.io
SECURITY REPORT · EXTENSHI SCAN

Blackice

Chrome extension·by rav3ndust
38
/ 100 SAFETY SCORE
DANGEROUS
Meaningful risk surface. Avoid on managed devices without review.

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

Blackice's safety score vs every other extension we've scanned
Globally
1%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 401,999 extensions
In Make Chrome Yours
1%of make chrome yours extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 24,640 make chrome yours extensions
Findings
176
median 9Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
9
median 2Declared in manifest
Active users
2
median 18vs category median

Findings breakdown

Automated security signal · 176 distinct issues across 6 severities
176
distinct issues
detected

Permissions requested

2 risky permissions of 9 total
2 high-risk permissions require attention
This extension requests 9 permissions in total. 2 of them grant broad capabilities that are worth a careful look.
High
Execute scripts in pages

Can inject and execute JavaScript code in web pages

High
User scripts

Can register and execute user scripts in web pages

Medium
Access current tab

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

Medium
Store local data

Can save data locally in the browser for persistence

Medium
Unlimited local storage

Can store large amounts of data locally without size limits

Low
Schedule tasks

Can schedule periodic background tasks

Low
Block network requests (declarative)

Can block or redirect network requests using predefined rules without seeing content

Low
Create offscreen documents

Can create hidden documents for background processing tasks

Low
View blocked request stats

Can see which declarative rules matched network requests

Are you the author of Blackice?

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 Blackice'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/434642)](https://catalog.extenshi.io/extensions/434642/security)
HTML
<a href="https://catalog.extenshi.io/extensions/434642/security"><img src="https://catalog.extenshi.io/api/badge/434642" alt="Extenshi security score" /></a>

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

Scan performed by extenshi.io · Sep 27, 2026
Browser extensions made transparent.