Description
In wp-includes/formatting.php in WordPress 3.7 to 5.3.0, the function wp_targeted_link_rel() can be used in a particular way to result in a stored cross-site scripting (XSS) vulnerability. This has been patched in WordPress 5.3.1, along with all the previous WordPress versions from 3.7 to 5.3 via a minor release.
Remediation
References
Related Vulnerabilities
WordPress Plugin WP Data Access Security Bypass (5.1.3)
Joomla Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2017-16633)
MediaWiki Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-1581)
Oracle JRE CVE-2013-2431 Vulnerability (CVE-2013-2431)
Liferay Portal Improper Authentication Vulnerability (CVE-2021-29047)