{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "cpe": "cpe:2.3:a:quokka_project:quokka:0.4.0:*:*:*:*:*:*:*",
            "extracted_events": [
              {
                "introduced": "0.4.0"
              },
              {
                "last_affected": "0.4.0"
              }
            ],
            "source": "CPE_STRING"
          },
          "events": [
            {
              "introduced": "25c753f2697e6d7228249b95dff9514c135bd04d"
            },
            {
              "last_affected": "25c753f2697e6d7228249b95dff9514c135bd04d"
            }
          ],
          "repo": "https://github.com/quokkaproject/quokka",
          "type": "GIT"
        }
      ],
      "versions": [
        "0.4.0"
      ]
    }
  ],
  "database_specific": {},
  "details": "XML External Entities (XXE) in Quokka v0.4.0 allows remote attackers to execute arbitrary code via the component 'quokka/utils/atom.py'.",
  "id": "CVE-2020-18703",
  "modified": "2026-07-08T05:39:26.627607931Z",
  "published": "2021-08-16T18:15:07.170Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://github.com/rochacbruno/quokka/issues/676"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}