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CVE-2019-0831

Status: ModifiedMedium (5.4)—

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-2019-0830.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (3)

Microsoft — Sharepoint Enterprise ServerMicrosoft — Sharepoint FoundationMicrosoft — Sharepoint Server

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2019-0831",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2019-0831",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-01-18T17:32:58.604706Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
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          "confidentialityImpact": "LOW"
        },
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      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
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        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
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          "vendor": "Microsoft",
          "product": "Microsoft SharePoint Server",
          "versions": [
            {
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              "version": "2010 Service Pack 2"
            },
            {
              "status": "affected",
              "version": "2019"
            }
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        {
          "vendor": "Microsoft",
          "product": "Microsoft SharePoint Foundation",
          "versions": [
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              "version": "2010 Service Pack 2"
            }
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        },
        {
          "vendor": "Microsoft",
          "product": "Microsoft SharePoint Enterprise Server",
          "versions": [
            {
              "status": "affected",
              "version": "2016"
            },
            {
              "status": "affected",
              "version": "2013 Service Pack 1"
            }
          ]
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      ]
    }
  ],
  "published": "2019-04-09T21:29:01.693",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0831",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0831",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    },
    {
      "type": "Secondary",
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "lang": "en",
          "value": "CWE-79"
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      ]
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  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "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-2019-0830."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de tipo cross-site scripting (XSS) cuando Microsoft SharePoint Server no sanea apropiadamente una petición web especialmente creada para un servidor de SharePoint afectado, también se conoce como “Microsoft Office SharePoint XSS Vulnerability”. Este ID de CVE es diferente de CVE-2019-0830."
    }
  ],
  "lastModified": "2026-06-17T02:09:00.057",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:microsoft:sharepoint_enterprise_server:2013:sp1:*:*:*:*:*:*",
              "vulnerable": true,
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            },
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              "vulnerable": true,
              "matchCriteriaId": "9C082CC4-6128-475D-BC19-B239E348FDB2"
            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "81443CAD-F47E-4FD1-8E0E-8D646C90E4E3"
            },
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          "operator": "OR"
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  "sourceIdentifier": "secure@microsoft.com"
}