XSS is a security vulnerability where an attacker injects malicious scripts into content from otherwise trusted websites. In SaaS, this often happens through unsanitized user input in comments or profile fields.
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How do developers prevent XSS?
By "escaping" all user input before rendering it in the browser and using "Content Security Policies" (CSP) that restrict which scripts are allowed to execute on a page.
Knowledge Challenge
Mastered Cross-Site Scripting (XSS) Prevention? Now try to guess the related 6-letter word!
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