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June 10, 2026 · 1 min read

How do you protect an Express.js application from Cross-Site Scripting (XSS) attacks?

To protect an Express.js application from XSS attacks, you can use middleware like helmet which helps set various HTTP headers. Additionally, always sanitize user input and escape output when rendering…

Debasis Bhattacharjee

SOFTWARE_ARCHITECT // AI_ENGINEER

📅 Jun 10, 2026 ⏱ 1 min read

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How do you protect an Express.js application from Cross-Site Scripting (XSS) attacks?

COVER // HOW DO YOU PROTECT AN EXPRESS.JS APPLICATION FROM CROSS-SITE SCRIPTING (XSS) ATTACKS?

To protect an Express.js application from XSS attacks, you can use middleware like helmet which helps set various HTTP headers. Additionally, always sanitize user input and escape output when rendering dynamically generated content.

expressjs middleware security xss

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