Prototype Pollution has emerged as a critical vulnerability in JavaScript environments where attackers inject malicious properties into the global object prototype to achieve remote code execution or cross-site scripting. Developers face significant risks when using common patterns like the spread operator or vulnerable versions of libraries such as Lodash and jQuery for merging user-controlled data. Tech professionals should adopt defensive strategies including the use of null-prototype objects and rigorous schema validation to prevent these inherited property mutations.
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Ali NematiWritten by Ali
