Prototype Pollution Vulnerability in jQuery-Sparkle by BlackFan

CVE-2021-20084

What is CVE-2021-20084?

The jQuery-Sparkle 1.5.2-beta version is exposed to a prototype pollution vulnerability that allows an attacker to manipulate Object.prototype attributes. By exploiting this flaw, a malicious user can inject custom properties into the prototype, potentially leading to unexpected behavior in applications that rely on this library. This vulnerability underscores the importance of validating input and implementing robust security measures in JavaScript libraries.

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