{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "fixed": "3.4.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "a2b46c1507e66a37357885530bb4dac9f479cc72"
            }
          ],
          "repo": "https://github.com/nextcloud/contacts",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "A missing file type check in Nextcloud Contacts 3.3.0 allows a malicious user to upload malicious SVG files to perform cross-site scripting (XSS) attacks.",
  "id": "CVE-2020-8281",
  "modified": "2026-03-13T21:52:51.371911802Z",
  "published": "2021-01-06T21:15:14.647Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nextcloud.com/security/advisory/?id=NC-SA-2020-045"
    },
    {
      "type": "EVIDENCE",
      "url": "https://hackerone.com/reports/894876"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}