nextjs-security

Name: nextjs-security
Rating: 5 (8 reviews)
Author: GoldenWing-360

Find Next.js-specific security issues across App Router, Pages Router, and Server Actions. Covers the middleware-bypass class, NEXT_PUBLIC environment leakage, RSC over-fetch, CSP for App Router, open redirects, and next/image SSRF via permissive remotePatterns. Invoke when reviewing a Next.js app before launch, after a major version upgrade, or when adding authenticated routes.

8stars

Updated last month

View on GitHub ↗License: MIT

How to add

/plugin marketplace add GoldenWing-360/claude-security-skills

The exact command may vary by repository. Check the README on GitHub.

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Drop this on your repo README

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Next.js Security

Next.js moves fast and its security model has shifted with every major version. The most common failure mode is reaching for a familiar pattern from a year ago that no longer holds — middleware-only auth, naive Server Actions, NEXT_PUBLIC_ env handling. This skill is the spot-check list.

Tested patterns target App Router on Next.js 14+; most apply to 15/16 too. Pages Router callouts are marked.

When to invoke

New Next.js app heading to production
Major version upgra

[Description truncada. Veja o README completo no GitHub.]

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