Quant is an intuitive, modern CVSS score calculator that makes vulnerability severity assessment fast, accurate, and accessible. Unlike traditional calculators, Quant provides an interactive experience with color-coded severity indicators, real-time scoring, and one-click downloads, making it your new go-to tool.
- Intuitive Interface — Beautiful, user-friendly design that makes CVSS scoring simple
- Pure JavaScript Logic — Fast, accurate, offline-capable scoring for all CVSS versions
- Powerful Visualizations — Instantly understand impact with color-coded severities and detailed analytics
Quant delivers industry-leading features designed to streamline vulnerability assessment workflows:
- CVSS 4.0 — Latest standard with enhanced scoring methodology
- CVSS 3.1 — Industry-standard version with broad adoption
- CVSS 3.0 — Legacy compatibility for established assessments
- CVSS 2.0 — Historical scoring for legacy vulnerability tracking
- Color-Coded Risk Levels — Instantly identify severity at a glance
- Dynamic Severity Mapping — Automatic color assignment based on CVSS version and score range
- Visual Impact Charts — Real-time visualization of metric impact on final score
- Severity Breakdown Panels — Detailed breakdown showing how each metric contributes to the final score
- Interactive Metric Selection — Intuitive controls for all CVSS metrics and vectors
- Metric Descriptions — In-context help explaining each metric and its implications
- Temporal & Environmental Metrics — Full support for optional metrics across all CVSS versions
- Instant Score Updates — Real-time recalculation as you adjust metrics
- Download as PDF — Beautifully formatted vulnerability reports ready to share
- Copy Score Vector — Copy CVSS vector string for documentation and tracking
- Share Links — Generate shareable URLs with pre-configured scores and metrics
- JSON Export — Export assessment data in structured format for integration with other tools
- Severity Distribution — Visual breakdown of how scores distribute across severity levels
- Metric Impact Analysis — See which metrics have the greatest influence on your score
- Comparative Scoring — Compare scores across different CVSS versions side-by-side
- Historical Tracking — Track and reference previously calculated scores
- Dark & Light Modes — Seamless theme switching for comfortable use in any environment
- Responsive Design — Perfect experience on desktop, tablet, and mobile devices
- Keyboard Navigation — Full keyboard support for power users and accessibility
- Offline Capability — Works completely offline—no internet required for scoring
- Client-Side Processing — All calculations happen in your browser, no data sent to servers
- No Account Required — Use immediately without registration or login
- Zero Data Collection — Your assessments remain completely private
- Open Source — Full code transparency for security audits
- Clean API Surface — Pure JavaScript scoring functions usable in your own applications
- TypeScript Support — Fully typed for excellent IDE integration and type safety
- Framework Agnostic — Embed scoring logic into React, Vue, Angular, or vanilla JS projects
- Comprehensive Documentation — Clear examples and API reference for developers
- Security Teams — Daily vulnerability triage and risk quantification
- Penetration Testers — Quick, reliable CVSS scoring during assessments
- Security Analysts — Standardized severity assessment across your organization
- Developers — Secure development practices with clear vulnerability context
- Organizations — Enterprise-ready vulnerability management and reporting
Although Quant is open-source and can be run locally, we recommend using the official website for the best experience.
The website is updated automatically with every new release, and you can access the latest features without needing to install anything.
If you'd like to run it locally:
-
Clone the repository:
git clone https://github.com/cyberpath-HQ/Quant.git cd Quant -
Install dependencies (requires pnpm):
pnpm install
Start the development server:
pnpm devAccess the application at http://localhost:4321
All commands are run from the root of the project:
| Command | Action |
|---|---|
pnpm install |
Install dependencies |
pnpm dev |
Start local dev server at localhost:4321 |
pnpm build |
Build production site to ./dist/ |
pnpm preview |
Preview build locally before deploying |
pnpm astro ... |
Run Astro CLI commands |
pnpm lint |
Run ESLint and code quality checks |
We welcome contributions from the cybersecurity community! Whether you're:
- 🐛 Reporting bugs or suggesting improvements
- 🎨 Enhancing the UI/UX
- 📝 Improving documentation
- 💻 Adding features or fixing issues
- 🌍 Translating for international users
Please check our contribution guidelines for detailed information on how to contribute.
- Report issues and suggest enhancements
- Improve documentation and examples
- Help with translations
- Contribute code improvements and bug fixes
- Share feedback and real-world use cases
Join the Cyberpath community and stay connected:
- Website: cyberpath-hq.com
- GitHub: github.com/cyberpath-HQ
- Discord: Join our Discord server
- Twitter: @cyberpath_hq
- Email: support@cyberpath-hq.com
- Astro Documentation
- CVSS v4.0 Specification
- CVSS v3.1 Specification
- CVSS v3.0 Specification
- CVSS v2.0 Specification
- Cyberpath Resources
Built with ❤️ by the Cyberpath-HQ team to make vulnerability assessment accessible to everyone.