{"cve":"CVE-2018-8426","nvd":{"published":"2018-09-13T00:29:02.943","modified":"2026-06-17T02:04:50.690","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 affects Microsoft SharePoint Server, Microsoft SharePoint.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","score":5.4},"cwes":["CWE-79"],"references":["http://www.securityfocus.com/bid/105208","http://www.securitytracker.com/id/1041640","https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8426","http://www.securityfocus.com/bid/105208","http://www.securitytracker.com/id/1041640"],"products":["microsoft:sharepoint_enterprise_server_2013","microsoft:sharepoint_enterprise_server_2016","microsoft:sharepoint_server_2010"],"source":"nvd","synced_at":"2026-10-19T20:53:14.491561039+00:00"},"epss":{"cve":"CVE-2018-8426","score":0.02253,"percentile":0.82929,"date":"2026-10-31"},"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."]}