Today, in December 2025, JS frameworks like ReactJS have blurred the line between backend and frontend development. While server components built with React enable faster, more dynamic applications, they also introduce risks. The server component architecture has enabled React2Shell to become one of the most serious vulnerabilities. React2Shell poses a major threat to cybersecurity teams and developers by enabling attackers to run code remotely on vulnerable servers. This threat highlights how attackers can exploit the thin yet obscured line between server-side and frontend logic when the attack surface is not properly secured. The National Vulnerability Database (NVD) lists CVE-2025-55182 as having a severity level of 10, the highest possible. What is React2Shell? React2Shell is a remote code execution (RCE) type of vulnerability. This type of vulnerability affects apps that use React for server-side component logic in the site architecture. This architecture, combined with the R...
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