{
  "schema_version": "1.4.0",
  "id": "GHSA-wq6x-g685-w5f2",
  "modified": "2024-10-17T20:59:18Z",
  "published": "2021-04-07T21:13:00Z",
  "aliases": [
    "CVE-2020-28734"
  ],
  "summary": "Improper Restriction of XML External Entity Reference in Plone",
  "details": "Plone before 5.2.3 allows XXE attacks via a feature that is explicitly only available to the Manager role.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
    },
    {
      "type": "CVSS_V4",
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "Plone"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.2.3"
            }
          ]
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "plone.app.event"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.2.10"
            }
          ]
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "plone.app.theming"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.6"
            }
          ]
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "plone.app.dexterity"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.6.8"
            }
          ]
        }
      ]
    },
    {
      "package": {
        "ecosystem": "PyPI",
        "name": "plone.supermodel"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.6.3"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-28734"
    },
    {
      "type": "WEB",
      "url": "https://github.com/plone/Products.CMFPlone/issues/3209"
    },
    {
      "type": "WEB",
      "url": "https://dist.plone.org/release/5.2.3/RELEASE-NOTES.txt"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/advisories/GHSA-wq6x-g685-w5f2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/pypa/advisory-database/tree/main/vulns/plone/PYSEC-2020-246.yaml"
    },
    {
      "type": "WEB",
      "url": "https://www.misakikata.com/codes/plone/python-en.html"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-611"
    ],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2021-04-07T19:34:40Z",
    "nvd_published_at": "2020-12-30T19:15:00Z"
  }
}