Description WordPress before 4.9.2 has XSS in the Flash fallback files in MediaElement (under wp-includes/js/mediaelement). Remediation References CVE-2018-5776 Related Vulnerabilities WordPress Plugin Site Analytics Multiple Vulnerabilities (1.4.3) WordPress Plugin WP to Twitter Cross-Site Request Forgery (3.2.9) Piwigo Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2018-7724) SharePoint CVE-2018-8628 Vulnerability (CVE-2018-8628) MySQL CVE-2021-35627 Vulnerability (CVE-2021-35627) Severity Medium Classification CVE-2018-5776 CWE-707 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N Tags Missing Update Known Vulnerabilities