Security advisory

{
  "id": "5a667556d26a97fb82aa6935fc03622f8f14190c229c8b1f17ca8d34cc291f46",
  "url": "https://osv.dev/vulnerability/CVE-2018-19433",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-19433",
    "summary": "ShowDoc 2.4.1 has XSS via the lang parameter because install/database.php mishandles the $cur_lang value.",
    "evidence": "osv:CVE-2018-19433",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-19433",
      "aliases": [
        "CVE-2018-19433"
      ],
      "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/star7th/showdoc",
              "type": "GIT",
              "events": [
                {
                  "introduced": "db6ce58863ff2147e6f6631a00fd5e71efa82541"
                },
                {
                  "last_affected": "db6ce58863ff2147e6f6631a00fd5e71efa82541"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:showdoc:showdoc:2.4.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.4.1"
                      },
                      {
                        "last_affected": "2.4.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.4.1",
            "v2.4.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-19433.json"
          }
        }
      ],
      "modified": "2026-10-20T10:50:23.253710124Z",
      "provider": "osv",
      "references": [
        "https://github.com/star7th/showdoc/issues/392"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-19433",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 381655,
  "published_at": "2018-11-22T05:29:01.027+00:00"
}