{"id":"CVE-2019-0556","aliases":["EUVD-2019-1326","GHSA-r364-w37v-9845"],"status":"published","title":"A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not...","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. This CVE ID is unique from CVE-2019-0557, CVE-2019-0558.","severity":{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01639,"percentile":0.76521,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2019-01-08T21:00:00Z","modified":"2026-06-17T02:08:24Z","products":[{"vendor":"microsoft","product":"microsoft sharepoint"},{"vendor":"microsoft","product":"sharepoint_server"}],"references":[{"url":"http://www.securityfocus.com/bid/106387","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0556","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-0556"},{"url":"https://github.com/advisories/GHSA-r364-w37v-9845"}],"sources":{"cve":[{"id":"CVE-2019-0556","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. This CVE ID is unique from CVE-2019-0557, CVE-2019-0558.","status":"published","published":"2019-01-08T21:00:00Z","modified":"2025-02-28T20:14:35.453Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:32:24.473448Z"}],"euvd":[{"id":"EUVD-2019-1326","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. This CVE ID is unique from CVE-2019-0557, CVE-2019-0558.","status":"published","published":"2019-01-08T21:00:00Z","modified":"2025-02-28T20:14:35Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T20:53:19.078289Z"}],"ghsa":[{"id":"GHSA-r364-w37v-9845","title":"A cross-site-scripting (XSS) vulnerability exists when Microsoft SharePoint Server does not...","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. This CVE ID is unique from CVE-2019-0557, CVE-2019-0558.","status":"published","published":"2022-05-14T01:41:05Z","modified":"2023-02-02T05:04:19Z","cvss":[{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:51:50.619018Z"}],"nvd":[{"id":"CVE-2019-0556","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. This CVE ID is unique from CVE-2019-0557, CVE-2019-0558.","status":"published","published":"2019-01-08T21:29:01.05Z","modified":"2026-06-17T02:08:24.073Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"secondary"},{"version":"3.0","score":5.4,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:05:02.989216Z"}]}}