Security advisory

{
  "id": "e8513b51841d7b720c2f9db0916fe1ceb6d875268e87d4ca9d396d5dd92ceb9b",
  "url": "https://osv.dev/vulnerability/CVE-2019-18857",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2019-18857",
    "summary": "darylldoyle svg-sanitizer before 0.12.0 mishandles script and data values in attributes, as demonstrated by unexpected whitespace such as in the javascript :alert substring.",
    "evidence": "osv:CVE-2019-18857",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2019-18857",
      "aliases": [
        "CVE-2019-18857",
        "GHSA-gf8j-v8x5-h9qp"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/darylldoyle/svg-sanitizer",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "51ca4b713f3706d6b27769c6296bbc0c28a5bbd0"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:svg-sanitizer_project:svg-sanitizer:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "0.12.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "51ca4b713f3706d6b27769c6296bbc0c28a5bbd0"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "0.10.0",
            "0.9.2",
            "0.9.1",
            "0.9.0",
            "0.8.2",
            "0.8.1",
            "0.8.0",
            "0.7.2",
            "0.7.1",
            "0.7.0",
            "0.6.0",
            "0.5.3.1",
            "0.5.3",
            "0.5.2",
            "0.5.1",
            "0.5.0",
            "0.4.1",
            "0.4.0",
            "0.3.0",
            "0.2.1",
            "0.2.0",
            "0.1.6",
            "0.1.5",
            "0.1.4",
            "0.1.3",
            "0.1.2",
            "0.1.1",
            "0.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2019-18857.json"
          }
        }
      ],
      "modified": "2026-10-20T10:52:30.327176743Z",
      "provider": "osv",
      "references": [
        "https://github.com/darylldoyle/svg-sanitizer/compare/0.11.0...0.12.0",
        "https://github.com/darylldoyle/svg-sanitizer/commit/51ca4b713f3706d6b27769c6296bbc0c28a5bbd0"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2019-18857",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 383672,
  "published_at": "2019-11-11T15:15:12.53+00:00"
}