{
  "cveId": "CVE-2020-1442",
  "url": "https://patchblox.com/security/cve/CVE-2020-1442",
  "summary": "CVE-2020-1442 is fixed in 2 products on 1 platform, first by KB4484451, released July 14, 2020. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Office Web Apps XSS Vulnerability",
  "description": "\u003Cp\u003EA spoofing vulnerability exists when an Office Web Apps server does not properly sanitize a specially crafted request. An authenticated attacker could exploit the vulnerability by sending a specially crafted request to an affected Office Web Apps server. The attacker who successfully exploited this vulnerability could then perform cross-site scripting attacks on affected systems and run script in the security context of the current user.\u003C/p\u003E\n\u003Cp\u003EFor the vulnerability to be exploited, a user must click a specially crafted URL that takes the user to a targeted Office Web App site.\u003C/p\u003E\n\u003Cp\u003EIn an email attack scenario, an attacker could exploit the vulnerability by sending an email message containing the specially crafted URL to the user of the targeted Office Web App site and convincing the user to click the specially crafted URL.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by helping to ensure that Office Web AppsServer properly sanitizes web requests.\u003C/p\u003E",
  "published": "2020-07-14T12:00:00Z",
  "severity": "Important",
  "epss": 0.01729,
  "epssPercentile": 0.7772,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1442",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Microsoft Office Online Server",
      "fixedVersion": "",
      "fix": "KB4484451",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484451",
      "released": "2020-07-14T12:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Microsoft Office Web Apps 2013 Service Pack 1",
      "fixedVersion": "",
      "fix": "KB4484357",
      "url": "https://patchblox.com/security/fix/microsoft/kb4484357",
      "released": "2020-07-14T12:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}