Definition ∞ A Cross-Site Scripting payload is a segment of malicious code, typically JavaScript, injected into a trusted website. This code executes within a user’s web browser when they visit the compromised site. The payload’s purpose is to steal session cookies, deface websites, or redirect users to malicious pages. It represents the active component of a Cross-Site Scripting attack.
Context ∞ In the context of Web3 and digital asset platforms, Cross-Site Scripting payloads pose a considerable security risk, frequently highlighted in breach reports. Attackers can leverage these payloads to compromise user accounts on cryptocurrency exchanges or decentralized applications, potentially leading to asset theft. Recent news often details how such vulnerabilities allow bad actors to bypass security measures, underscoring the constant need for robust front-end security practices in blockchain-related services.
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