Security advisory

{
  "id": "253ad6bd3460c617d507545996eb077ecf843bcd070a9dd1769f649d4d469d69",
  "url": "https://osv.dev/vulnerability/CVE-2018-17857",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-17857",
    "summary": "An issue was discovered in Joomla! before 3.8.13. Inadequate checks on the tags search fields can lead to an access level violation.",
    "evidence": "osv:CVE-2018-17857",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-17857",
      "aliases": [
        "CVE-2018-17857"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/joomla/joomla-cms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "b7c37b477b0231cfdbf1251f25a9096a173d3f58"
                },
                {
                  "fixed": "27ca70a097a3d64f958bfee77a21f33002c33bfc"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:joomla:joomla\\!:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.1.0"
                      },
                      {
                        "fixed": "3.8.13"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-17857.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:54.713344959Z",
      "provider": "osv",
      "references": [
        "https://developer.joomla.org/security-centre/753-20181003-core-access-level-violation-in-com-tags"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-17857",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 438264,
  "published_at": "2018-10-09T21:29:00.78+00:00"
}