A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not properly sanitize a specially crafted web request to an affected SharePoint server, aka 'Microsoft Office SharePoint XSS Vulnerability'. This CVE ID is unique from CVE-2020-1177, CVE-2020-1183, CVE-2020-1297, CVE-2020-1298, CVE-2020-1320.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1318