Security advisory

{
  "id": "d736bb71e234f9332f5bd19dab024ce558e323c9035a33ec4dc565f69a62a0e2",
  "url": "https://osv.dev/vulnerability/CVE-2017-7725",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-7725",
    "summary": "concrete5 8.1.0 places incorrect trust in the HTTP Host header during caching, if the administrator did not define a \"canonical\" URL on installation of concrete5 using the \"Advanced Options\" settings. Remote attackers can make a GET request with any domain name in the Host header; this is stored and allows for arbitrary domains to be set for certain links displayed to subsequent visitors, potentially an XSS vector.",
    "evidence": "osv:CVE-2017-7725",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2017-7725",
      "aliases": [
        "CVE-2017-7725",
        "GHSA-2mvg-c6mg-3q63"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/concretecms/concretecms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4ec6574c0ef509ccb37357756bb985d35562735e"
                },
                {
                  "last_affected": "4ec6574c0ef509ccb37357756bb985d35562735e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:concretecms:concrete_cms:8.1.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.1.0"
                      },
                      {
                        "last_affected": "8.1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "8.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-7725.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:31.736549732Z",
      "provider": "osv",
      "references": [
        "https://hackerone.com/reports/148300",
        "https://packetstormsecurity.com/files/142145/concrete5-8.1.0-Host-Header-Injection.html",
        "https://www.exploit-db.com/exploits/41885/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-7725",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 432870,
  "published_at": "2017-04-13T17:59:00.7+00:00"
}