Security advisory

{
  "id": "375850a0c3b007e020aacabeb43ba166009b7e3cb437ab4d37ed4420452bb11c",
  "url": "https://osv.dev/vulnerability/CVE-2024-21730",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2024-21730",
    "summary": "The fancyselect list field layout does not correctly escape inputs, leading to a self-XSS vector.",
    "evidence": "osv:CVE-2024-21730",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-21730",
      "aliases": [
        "BIT-joomla-2024-21730",
        "CVE-2024-21730"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/joomla/joomla-cms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5f20de27b9640124ba185670a36ec40ebc9ec3f9"
                },
                {
                  "fixed": "ae87846c82b0e4a9274598fa8d788b3b39a2f5aa"
                },
                {
                  "introduced": "0e23b165e580270f5b53f9dc0c5fd17011f4bf87"
                },
                {
                  "fixed": "6a587ced0894af8568c96974ebee55479ae6851d"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "4.0.0"
                      },
                      {
                        "fixed": "4.4.6"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.0.0"
                      },
                      {
                        "fixed": "5.1.2"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-21730.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:59.616403490Z",
      "provider": "osv",
      "references": [
        "https://developer.joomla.org/security-centre/936-20240702-core-self-xss-in-fancyselect-list-field-layout.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2024-21730",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 439365,
  "published_at": "2024-07-09T17:15:14.58+00:00"
}