Security advisory

{
  "id": "a92aec5e609a9d40f058219b92483a1154f0caa3449457f4e45c9d1acf976eda",
  "url": "https://osv.dev/vulnerability/CVE-2018-6341",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-6341",
    "summary": "React applications which rendered to HTML using the ReactDOMServer API were not escaping user-supplied attribute names at render-time. That lack of escaping could lead to a cross-site scripting vulnerability. This issue affected minor releases 16.0.x, 16.1.x, 16.2.x, 16.3.x, and 16.4.x. It was fixed in 16.0.1, 16.1.2, 16.2.1, 16.3.3, and 16.4.2.",
    "evidence": "osv:CVE-2018-6341",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-6341",
      "aliases": [
        "CVE-2018-6341",
        "GHSA-mvjj-gqq2-p4hw"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/react/react",
              "type": "GIT",
              "events": [
                {
                  "introduced": "8765d608935a81ba5019f6cde6dce3367d392f0c"
                },
                {
                  "fixed": "54adb2674afe16ec603e0c54bf46ccf1afa42308"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:facebook:react:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "16.4.0"
                      },
                      {
                        "fixed": "16.4.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v16.4.1",
            "v16.4.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-6341.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:37.522053751Z",
      "provider": "osv",
      "references": [
        "https://reactjs.org/blog/2018/08/01/react-v-16-4-2.html",
        "https://twitter.com/reactjs/status/1024745321987887104"
      ],
      "provider_metadata": {
        "unresolved_ranges": [
          {
            "cpes": [
              "cpe:2.3:a:facebook:react:*:*:*:*:*:*:*:*"
            ],
            "vendor_product": "facebook:react",
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "16.0.0"
                  },
                  {
                    "fixed": "16.0.1"
                  },
                  {
                    "introduced": "16.1.0"
                  },
                  {
                    "fixed": "16.1.2"
                  },
                  {
                    "introduced": "16.2.0"
                  },
                  {
                    "fixed": "16.2.1"
                  },
                  {
                    "introduced": "16.3.0"
                  },
                  {
                    "fixed": "16.3.3"
                  }
                ],
                "source": "CPE_RANGE"
              }
            ]
          }
        ]
      }
    },
    "related_cves": [
      {
        "value": "CVE-2018-6341",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 434239,
  "published_at": "2018-12-31T22:29:00.387+00:00"
}