Security advisory

{
  "id": "5a716d3431cfdb5b5addbf3ac2732727ffb68f6df73daf69fc7ecef3e8ee4bbc",
  "url": "https://osv.dev/vulnerability/CVE-2020-13666",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2020-13666",
    "summary": "Cross-site scripting vulnerability in Drupal Core. Drupal AJAX API does not disable JSONP by default, allowing for an XSS attack. This issue affects: Drupal Drupal Core 7.x versions prior to 7.73; 8.8.x versions prior to 8.8.10; 8.9.x versions prior to 8.9.6; 9.0.x versions prior to 9.0.6.",
    "evidence": "osv:CVE-2020-13666",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2020-13666",
      "aliases": [
        "BIT-drupal-2020-13666",
        "CVE-2020-13666",
        "DRUPAL-CORE-2020-007",
        "GHSA-8jj2-x2gc-ggm7"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/drupal/drupal",
              "type": "GIT",
              "events": [
                {
                  "introduced": "497914920385b7016ac9c9367e0198530787adf2"
                },
                {
                  "fixed": "cbd404ebdd22df0fc819f356895bd946db4e7fe9"
                },
                {
                  "introduced": "f2b59e3ae8097ea01d15c708f1267b73794399c0"
                },
                {
                  "fixed": "0acec51a303eeb84302553d51f9ac41e805e9614"
                },
                {
                  "introduced": "a412ca41cfc0d954fe3cb2dd982dc6ca049b1c70"
                },
                {
                  "fixed": "db320ce405a948090ca031d32531195d85aded4e"
                },
                {
                  "introduced": "d62812dc17ce593beb2ccd4cdbee1a76c95e3fd7"
                },
                {
                  "fixed": "b6ca29bfc44d6fc243d0e98b425dc31e9187f05a"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0"
                      },
                      {
                        "fixed": "7.73"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.8.0"
                      },
                      {
                        "fixed": "8.8.10"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.9.0"
                      },
                      {
                        "fixed": "8.9.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "9.0.0"
                      },
                      {
                        "fixed": "9.0.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.8.9",
            "8.9.5",
            "9.0.5",
            "7.72",
            "8.9.4",
            "8.9.3",
            "9.0.3",
            "8.9.2",
            "9.0.2",
            "7.71",
            "8.8.7",
            "8.9.0",
            "9.0.0",
            "8.8.5",
            "8.8.3",
            "8.8.2",
            "8.8.0",
            "7.68",
            "7.64",
            "7.61",
            "7.56",
            "7.55",
            "7.54",
            "7.51",
            "7.50",
            "7.43",
            "7.42",
            "7.40",
            "7.37",
            "7.36",
            "7.33",
            "7.30",
            "7.28",
            "7.25",
            "7.23",
            "7.22",
            "7.17",
            "7.15",
            "7.14",
            "7.12",
            "7.10",
            "7.9",
            "7.8",
            "7.7",
            "7.6",
            "7.4",
            "7.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13666.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:40.880615671Z",
      "provider": "osv",
      "references": [
        "https://www.drupal.org/sa-core-2020-007"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2020-13666",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 435032,
  "published_at": "2021-05-05T14:15:07.777+00:00"
}