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 5.6.x ranging from 5.6 and up to (and including) 5.6.7 are vulnerable.
Remediation
Update to WordPress version 5.6.8 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-5-6-8/
Related Vulnerabilities
TYPO3 Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2021-41113)
Liferay Portal CVE-2022-42126 Vulnerability (CVE-2022-42126)
WordPress Plugin Analytics Remote Code Execution (1.7)
MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2008-5688)
WordPress Plugin RAYS Grid Cross-Site Request Forgery (1.2.2)