Description Microsoft SharePoint Server Remote Code Execution Vulnerability Remediation References CVE-2021-34520 Related Vulnerabilities XWiki Other Vulnerability (CVE-2023-26478) WordPress Plugin Advance Menu Manager Cross-Site Request Forgery (2.9.6) ownCloud Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2012-5606) SharePoint Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2020-1514) WordPress Plugin Appointment Booking Calendar Multiple Vulnerabilities (1.1.24) Severity High Classification CVE-2021-34520 CWE-502 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities