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SECURITY REPORT · EXTENSHI SCAN

CatBlocker — Replace Ads with Cats

Chrome extension·by percyeragon
81
/ 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

CatBlocker — Replace Ads with Cats's safety score vs every other extension we've scanned
Globally
42%of extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 415,509 extensions
In Make Chrome Yours
39%of make chrome yours extensions carry more risk
This extension
Riskier ←→ Safer
Ranked against 25,376 make chrome yours extensions
Findings
20
median 9Lower is safer
Critical findings
2
median 0Severity = Critical
Permissions
4
median 2Declared in manifest
Active users
213
median 18vs category median

Findings breakdown

Automated security signal · 20 distinct issues across 6 severities
20
distinct issues
detected

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

Medium
Add context menu items

Can add custom items to the right-click context menu

Medium
Block requests with host access

Can block or redirect network requests and requires host permissions

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Scan performed by extenshi.io · Oct 20, 2026
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