Analyzed
1 day
ago.
based on code collected
1 day
ago.
Project Summary
uBlock Origin (or uBlock₀) is not an ad blocker; it's a general-purpose blocker. uBlock₀ blocks ads through its support of the Adblock Plus filter syntax. uBlock₀ extends the syntax and is designed to work with custom rules and filters.
Badges
In a Nutshell, uBlock Origin...
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has a well established, mature codebase
maintained by a large development team
with increasing Y-O-Y commits -
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took an estimated 35 years of effort (COCOMO model)
starting with its first commit in June, 2014
ending with its most recent commit 4 days ago
Quick Reference
https://github.com/gorhill/uBlock
Project Security
Vulnerabilities per Version ( last 10 releases )
Project Vulnerability Report
Security Confidence Index
Poor security track-record
Favorable security track-record
Vulnerability Exposure Index
Many reported vulnerabilities
Few reported vulnerabilities
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30 Day SummaryFeb 7 2026 — Mar 9 2026
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12 Month SummaryMar 9 2025 — Mar 9 2026
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