WordPress is prone to a prototype pollution vulnerability. Exploiting this issue could allow an attacker to inject key/value �properties� into JavaScript objects, potentially allowing for execution of arbitrary JavaScript in a user�s session if they can trick that user into clicking a link. WordPress versions 4.8.x ranging from 4.8 and up to (and including) 4.8.18 are vulnerable.


Update to WordPress version 4.8.19 or latest


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