CVE-2020-7643

CVE-2020-7643 describes a Prototype Pollution vulnerability in the paypal-adaptive JavaScript library, versions up to 0.4.2. This flaw allows an attacker to manipulate JavaScript objects, potentially adding or modifying properties of Object.prototype through a __proto__ payload. Rated as MEDIUM severity with a CVSS score of 5.3, it is a network-based attack requiring low complexity and no user interaction, leading to a potential impact on integrity (I:L). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.