Description
In WordPress before 5.3.1, authenticated users with lower privileges (like contributors) can inject JavaScript code in the block editor, which is executed within the dashboard. It can lead to an admin opening the affected post in the editor leading to XSS.
Remediation
References
Related Vulnerabilities
Internet Information Services Other Vulnerability (CVE-1999-0448)
Apache HTTP Server CVE-2013-1896 Vulnerability (CVE-2013-1896)
Apache Tomcat Improper Input Validation Vulnerability (CVE-2011-1475)
WordPress Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2008-0195)
WordPress Plugin WP Photo Album Plus 'wppa-album' Parameter SQL Injection (4.1.1)