Description Microsoft SharePoint Server Remote Code Execution Vulnerability Remediation References CVE-2021-34520 Related Vulnerabilities MediaWiki Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2014-9507) WordPress 5.0.x Prototype Pollution (5.0 - 5.0.15) WordPress Plugin The Events Calendar Cross-Site Scripting (4.8.1) MySQL CVE-2016-3440 Vulnerability (CVE-2016-3440) Internet Information Services Other Vulnerability (CVE-2001-0902) 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 CWE-502 CVE-2021-34520