{"cve":"CVE-2020-1456","nvd":{"published":"2020-07-14T23:15:20.387","modified":"2026-06-17T03:01:27.187","status":"Modified","description":"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-2020-1450, CVE-2020-1451.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["https://it-sec.de/ger/Aktuelles-Termine/it.sec-blog/it.sec-Research-Team-findet-unbekannte-Schwachstelle-in-Microsoft-Office-SharePoint","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1456","https://slashcrypto.org/2021/01/15/CVE-2020-1456/","https://it-sec.de/ger/Aktuelles-Termine/it.sec-blog/it.sec-Research-Team-findet-unbekannte-Schwachstelle-in-Microsoft-Office-SharePoint","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1456"],"products":["microsoft:sharepoint_enterprise_server","microsoft:sharepoint_server"],"source":"nvd","synced_at":"2026-10-19T21:06:22.076270124+00:00"},"epss":{"cve":"CVE-2020-1456","score":0.02229,"percentile":0.82745,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}