Security advisory

{
  "id": "5fb8ad79af25dd17ffdafce6c4993d0aaf11e2c9e98e4be3ebf98429689e706c",
  "url": "https://osv.dev/vulnerability/CVE-2019-9870",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-9870",
    "summary": "plugin.js in the w8tcha oEmbed plugin before 2019-03-14 for CKEditor mishandles SCRIPT elements.",
    "evidence": "osv:CVE-2019-9870",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2019-9870",
      "aliases": [
        "CVE-2019-9870"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/w8tcha/ckeditor-oembed-plugin",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "10f6169e39510bbf5af913886037044458b9dc9b"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "fixed": "10f6169e39510bbf5af913886037044458b9dc9b"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-9870.json"
          }
        }
      ],
      "modified": "2026-10-20T10:51:34.563344120Z",
      "provider": "osv",
      "references": [
        "https://github.com/w8tcha/CKEditor-oEmbed-Plugin/issues/94",
        "https://github.com/w8tcha/CKEditor-oEmbed-Plugin/commit/10f6169e39510bbf5af913886037044458b9dc9b"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:oembed_project:oembed:*:*:*:*:*:ckeditor:*:*"
            ],
            "vendor_product": "oembed_project:oembed",
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2019-03-14"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          },
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "fixed": "2019-03-14"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2019-9870",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 382584,
  "published_at": "2019-03-21T16:01:17.483+00:00"
}