Description
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 4.7.x ranging from 4.7 and up to (and including) 4.7.22 are vulnerable.
Remediation
Update to WordPress version 4.7.23 or latest
References
https://github.com/BlackFan/client-side-prototype-pollution/blob/master/pp/jquery-query-object.md
https://wordpress.org/support/wordpress-version/version-4.7.23/
Related Vulnerabilities
ReviveAdserver Other Vulnerability (CVE-2014-8875)
Apache Tomcat Other Vulnerability (CVE-2002-1148)
WordPress Plugin MailPoet Newsletters (Previous) 'swfupload.swf' Cross-Site Scripting (2.1.6)
WordPress Plugin ReviewX-Multi-criteria Rating & Reviews for WooCommerce CSV Injection (1.6.7)
WordPress Plugin Gallery-Photo Albums-Portfolio Cross-Site Scripting (1.2.25)