Cross-site scription (XSS) 101: What It Is, Why It's So Dangeruous

All you need to know about cross-site scription (XSS) and ways to protect any frontend app from this threat
When developing an application with a non-CLI interface, you must never forget about frontend security. Cross-site scripting (XSS) is the most severe consequence of poorly implemented frontends. Let’s take an in-depth look at that vulnerability, explore the root cause, various ways of exploiting it, learn how to properly use the React framework, and understand how to protect any frontend app from the XSS threat.

Full article: Cross-Site Scripting (XSS) Abuse and Defense: Exploitation on Several Testing Bed Environments and Its Defense

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Cross-Site Scripting (XSS) - X Security Group

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CROSS SITE SCRIPTING.ppt

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What is a cross-site scripting vulnerability?