Description Microsoft SharePoint Server Remote Code Execution Vulnerability Remediation References CVE-2021-26420 Related Vulnerabilities Apache Tomcat Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') Vulnerability (CVE-2019-0232) WordPress Plugin Pinblocks-Gutenberg blocks with Pinterest widgets Unspecified Vulnerability (1.0.1) jQuery UI Dialog Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-41184) MySQL CVE-2018-3143 Vulnerability (CVE-2018-3143) WordPress Plugin AdButler Unspecified Vulnerability (1.09) Severity High Classification CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities CVE-2021-26420