Security advisory

{
  "id": "11b6b1fa6e53084f0a980ce04f708a91a0d18b54522fc3c31274d63e30f089a7",
  "url": "https://osv.dev/vulnerability/CVE-2018-12040",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2018-12040",
    "summary": "Reflected Cross-site scripting (XSS) vulnerability in the web profiler in SensioLabs Symfony 3.3.6 allows remote attackers to inject arbitrary web script or HTML via the \"file\" parameter, aka an _profiler/open?file= URI. NOTE: The vendor states \"The XSS ... is in the web profiler, a tool that should never be deployed in production (so, we don't handle those issues as security issues).",
    "evidence": "osv:CVE-2018-12040",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2018-12040",
      "aliases": [
        "CVE-2018-12040"
      ],
      "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/symfony/security-http",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0ed976247b303ce46b652b624cd85867a73ba074"
                },
                {
                  "last_affected": "0ed976247b303ce46b652b624cd85867a73ba074"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sensiolabs:symfony:3.3.6:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.3.6"
                      },
                      {
                        "last_affected": "3.3.6"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.3.6",
            "v3.3.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12040.json"
          }
        },
        {
          "ranges": [
            {
              "repo": "https://github.com/symfony/symfony",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6f80cbd2dd89c5308b14e03d806356fac72c263e"
                },
                {
                  "last_affected": "6f80cbd2dd89c5308b14e03d806356fac72c263e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:sensiolabs:symfony:3.3.6:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "3.3.6"
                      },
                      {
                        "last_affected": "3.3.6"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "3.3.6",
            "v3.3.6"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-12040.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:15.557438559Z",
      "provider": "osv",
      "references": [],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2018-12040",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 429177,
  "published_at": "2018-06-13T22:29:00.55+00:00"
}