Security advisory

{
  "id": "b4c1f9858500e04b406f9a5d1bb1f95edfeadb34c3c75cc1574308b4263410aa",
  "url": "https://osv.dev/vulnerability/CVE-2018-11671",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-11671",
    "summary": "An issue was discovered in GreenCMS v2.3.0603. There is a CSRF vulnerability that can add an admin account via index.php?m=admin&c=access&a=adduserhandle.",
    "evidence": "osv:CVE-2018-11671",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2018-11671",
      "aliases": [
        "CVE-2018-11671"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/greencms/greencms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "c2f73d2e2b03d8a34b9132cb4a904acb75eb5e28"
                },
                {
                  "last_affected": "c2f73d2e2b03d8a34b9132cb4a904acb75eb5e28"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:njtech:greencms:2.3.0603:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.3.0603"
                      },
                      {
                        "last_affected": "2.3.0603"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.3.0603",
            "v2.3.0603"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-11671.json"
          }
        }
      ],
      "modified": "2026-10-20T10:49:42.901046028Z",
      "provider": "osv",
      "references": [
        "https://github.com/GreenCMS/GreenCMS/issues/109",
        "https://www.exploit-db.com/exploits/44826/"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-11671",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 380733,
  "published_at": "2018-06-01T17:29:00.453+00:00"
}