retire.js for Firefox download

retire.js shows which JavaScript libraries a web page uses and which of them have known vulnerabilities (CVE, GitHub Security Advisories), how severe they are and which version to upgrade to. The vulnerability database of the Retire.js project is downloaded every day, so new vulnerabilities appear without an add-on update. Optional OSV.dev lookups cover every npm package, and send only the library name and version. Libraries are found from file names, CDN addresses, file content and hashes, license banners, inline scripts and global variables. The panel offers filters, sorting, JSON and CSV export, a dark theme and a touch-friendly layout on Firefox for Android. Manifest V3, Apache 2.0.

Features

Detects vulnerable JavaScript libraries while you browse
Retire.js database downloaded every day: always current
Optional OSV.dev lookups for every npm package
CDN URLs, file content, hashes, banners, inline scripts
Global-variable probes: jQuery, Vue, React, Angular, lodash…
Severity, CVE/GHSA links and the version to upgrade to
First version without known issues, checked against the DB
Badge with the number of vulnerable libraries per page
Filters, sorting, JSON and CSV export
Firefox for Android: full-width, touch-friendly panel
Manifest V3, no eval, no remote code, no analytics
Apache 2.0; based on the Retire.js project

Project Samples

Every advisory with CVE/GHSA links and the fix

All libraries, including those without known issues

Project Activity

See All Activity >

License

Apache License V2.0

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retire.js for Firefox Web Site

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Additional Project Details

Operating Systems

Android, Linux, Mac, Windows

Languages

English

Intended Audience

Advanced End Users, Developers, End Users/Desktop, Security Professionals

User Interface

Web-based

Programming Language

JavaScript

Related Categories

JavaScript Security Software, JavaScript Browser Extensions and Plugins

Registered

2026-10-18

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