Definition ∞ Malicious JavaScript injection is a cyberattack technique where hostile code written in JavaScript is inserted into legitimate websites or web applications. This injected code can then execute in a user’s browser, enabling attackers to steal data, hijack sessions, or redirect users to malicious sites. In the context of digital assets, it often targets cryptocurrency exchanges or wallet interfaces to compromise user credentials or funds. This attack poses a severe threat to online security.
Context ∞ The ongoing battle against malicious JavaScript injection in the Web3 space focuses on robust web application security practices and user vigilance. Developers continuously work to implement stronger input validation and content security policies to mitigate these risks. Users are advised to employ browser extensions that enhance security and to verify website authenticity before interacting with sensitive digital asset platforms.
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