Cross-Site Scripting (XSS) Vulnerabilities in Next.js

9/10 Critical

XSS attacks can occur in Next.js through improper use of dangerouslySetInnerHTML, unvalidated user input in dynamic content, third-party scripts, and server-side rendering of malicious content.

Next.js React

Sources

https://www.turbostarter.dev/blog/complete-nextjs-security-guide-2025-authentication-api-protection-and-best-practices

Collection History

Query: “What are the most common pain points with Next.js in 2025?”3/27/2026

XSS remains one of the most dangerous vulnerabilities in web applications. In Next.js, XSS can occur through: Improper use of dangerouslySetInnerHTML. Unvalidated user input in dynamic content. Third-party scripts and dependencies. Server-side rendering of malicious content.

Created: 3/27/2026Updated: 3/27/2026