Description Microsoft SharePoint Server Remote Code Execution Vulnerability Remediation References CVE-2021-28474 Related Vulnerabilities Liferay DXP Authorization Bypass Through User-Controlled Key Vulnerability (CVE-2025-43827) WordPress Plugin Chained Quiz Cross-Site Scripting (1.1.8.1) SharePoint NULL Pointer Dereference Vulnerability (CVE-2020-1069) WordPress Plugin Add New Default Avatar [Emrikol's Fork] Multiple Unspecified Vulnerabilities (2.0.1) MySQL CVE-2019-2531 Vulnerability (CVE-2019-2531) Severity Medium Classification CVE-2021-28474 CWE-436 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Tags Missing Update Known Vulnerabilities