SECURITY REPORT · EXTENSHI SCAN
Catalyst – Ad Blocker, Redirect & Popup Protection, Video Controls
Chrome extension·by Javen Lai
0
/ 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
Catalyst – Ad Blocker, Redirect & Popup Protection, Video Controls's safety score vs every other extension we've scanned
Globally
15%of extensions carry more risk
Riskier ←→ Safer
Ranked against 369,936 extensions
In Lifestyle
16%of lifestyle extensions carry more risk
Riskier ←→ Safer
Ranked against 43,972 lifestyle extensions
Findings
36
median 12Lower is safer
Critical findings
1
median 0Severity = Critical
Permissions
5
median 1Declared in manifest
Active users
10
median 26vs category median
Findings breakdown
Automated security signal · 36 distinct issues across 6 severities
36
distinct issues
detected
detected
Scanners reported 37 raw occurrences; repeats of the same issue at the same location are merged here. The list below shows every occurrence.
Critical13%
High411%
Needs Review00%
Medium2672%
Low38%
Info26%
Permissions requested
1 risky permission of 5 total
1 high-risk permission require attention
This extension requests 5 permissions in total. 1 of them grant broad capabilities that are worth a careful look.
High
Manage downloads
Can initiate downloads and access your download history
Medium
Access current tab
Can temporarily access the content of the active tab when you click the extension
Medium
Show notifications
Can display desktop notifications outside the browser
Medium
Store local data
Can save data locally in the browser for persistence
Low
Block network requests (declarative)
Can block or redirect network requests using predefined rules without seeing content
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Scan performed by extenshi.io · Aug 20, 2026
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