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Upgrade react server components #21

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28 changes: 28 additions & 0 deletions web/SECURITY.md
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Expand Up @@ -90,6 +90,34 @@ All user inputs are validated before processing:
2. **No CSRF Protection**: Cookies not implemented yet
3. **CSP Unsafe Directives**: Allows inline scripts (required for Vite)

## CVE Assessments

### CVE-2025-43714 - React Server Components Remote Code Execution

**Status**: NOT AFFECTED

**Vulnerability**: Critical RCE vulnerability in React Server Components affecting `react-server-dom-webpack` and `react-server-dom-parcel` packages. Allows attackers to execute arbitrary code on servers handling Server Components via crafted requests.

**References**:
- https://react.dev/blog/2025/12/03/critical-security-vulnerability-in-react-server-components
- https://vercel.com/kb/bulletin/react2shell

**Fixed Versions**:
- React 19.1.0+ (19.x branch)
- React 18.3.2+ (18.x branch)

**Assessment (December 2025)**:

| Criteria | Status | Notes |
| -------------------------------- | ---------- | ------------------------------------------ |
| React Version | ✅ Safe | React 19.2.0 installed (above 19.1.0 fix) |
| React Server Components | ✅ N/A | Not used (pure client-side Vite app) |
| react-server-dom-webpack | ✅ N/A | Package not installed |
| react-server-dom-parcel | ✅ N/A | Package not installed |
| Next.js / Framework SSR | ✅ N/A | Using TanStack Router (client-only) |

**Conclusion**: This project is a client-side React application built with Vite. It does not use React Server Components, Server Actions, or any server-side React rendering. The vulnerable packages (`react-server-dom-webpack`, `react-server-dom-parcel`) are not installed. Additionally, React 19.2.0 is installed which includes the security fix.

## Recommended Reading

- [OWASP XSS Prevention Cheat Sheet](https://cheatsheetseries.owasp.org/cheatsheets/Cross_Site_Scripting_Prevention_Cheat_Sheet.html)
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