Security advisory

{
  "id": "67025ed887f1a857398ab836f858e6ae0af98d58ab215be4aef6e82d4a14affe",
  "url": "https://osv.dev/vulnerability/CVE-2018-18198",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-18198",
    "summary": "The $opener_input_field variable in addons/mediapool/pages/index.php in REDAXO 5.6.3 is not effectively filtered and is output directly to the page. The attacker can insert XSS payloads via an index.php?page=mediapool/media&opener_input_field=[XSS] request.",
    "evidence": "osv:CVE-2018-18198",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-18198",
      "aliases": [
        "CVE-2018-18198"
      ],
      "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/redaxo/core",
              "type": "GIT",
              "events": [
                {
                  "introduced": "e5519188045f0311d539c5e49dce0748277c74ab"
                },
                {
                  "last_affected": "e5519188045f0311d539c5e49dce0748277c74ab"
                },
                {
                  "fixed": "1094cf912ec7e82982505ca23f322ad12337fb25"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:redaxo:redaxo:5.6.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "5.6.3"
                      },
                      {
                        "last_affected": "5.6.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "1094cf912ec7e82982505ca23f322ad12337fb25"
                      }
                    ],
                    "source": "REFERENCES_TAG",
                    "original_tag": "5.6.4"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.6.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-18198.json"
          }
        }
      ],
      "modified": "2026-10-20T10:47:39.115999394Z",
      "provider": "osv",
      "references": [
        "https://github.com/redaxo/redaxo/releases/tag/5.6.4",
        "https://github.com/redaxo/redaxo4/issues/422"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-18198",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 379603,
  "published_at": "2018-10-09T22:29:01.347+00:00"
}