React2Shell 😱 | Critical React RCE CVE-2025-55182 Explained | CVSS 10.0

React2Shell (CVE-2025-55182) is one of the most critical vulnerabilities ever discovered in the React ecosystem 😱

This unauthenticated Remote Code Execution (RCE) flaw affects React Server Components and frameworks like Next.js using the App Router. With a CVSS score of 10.0, attackers can fully compromise servers using a single crafted request.

In this video, I explain React2Shell step-by-step:
• What React Server Components are
• How the Flight protocol works
• How unsafe deserialization leads to RCE
• Why this vulnerability is so dangerous
• Real-world attacks happening right now
• Which React & Next.js versions are affected
• How to patch and secure your application immediately

⚠️ This video is for educational and security awareness purposes only.

If you are a React, Next.js, or full-stack developer — you MUST watch this and patch your apps now.

👇 TIMESTAMPS BELOW 👇
00:00 - Introduction: The Critical React Shell RCE Vulnerability
00:00:43 - CVSS 10.0 Severity: Details on CVE-2025-55182
00:01:16 - Affected Frameworks (Next.js, React Router) and Versions
00:03:40 - Technical Background: React Server Components (RSC) vs. Client Components
00:05:11 - Deep Dive: The React Flight Protocol (RFP) and Exploitation Vector
00:07:55 - Real-World Attack Impact and Data Validation Risks
00:08:58 - Detection: How to Identify if Your Project is Vulnerable
00:10:55 - Action Plan: Immediate Patching and Secret Key Rotation
00:13:57 - Required Patch Versions and Disclosure Timeline