Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003

{
  "id": "54d86f01e46d25b43f6f5dc7cb9607403011a6ee513fe08f1d64e241dfa417c2",
  "url": "https://osv.dev/vulnerability/CVE-2026-6367",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Drupal core - Moderately critical - Cross-site scripting - SA-CORE-2026-003",
    "summary": "Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Drupal core allows Cross-Site Scripting (XSS). This issue affects Drupal core: from 11.3.0 before 11.3.7.",
    "evidence": "osv:CVE-2026-6367",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-6367",
      "aliases": [
        "BIT-drupal-2026-6367",
        "CVE-2026-6367",
        "DRUPAL-CORE-2026-003",
        "GHSA-pw6f-3999-xp7g"
      ],
      "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://git.drupalcode.org/project/drupal",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ac5da07ad88571dbb31dfb52f055bb0d4063f598"
                },
                {
                  "fixed": "bb3d6153f69df4a5759bf855f90c50d9158f55e5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "11.3.0"
                      },
                      {
                        "fixed": "11.3.7"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  }
                ]
              }
            },
            {
              "repo": "https://github.com/drupal/drupal",
              "type": "GIT",
              "events": [
                {
                  "introduced": "ac5da07ad88571dbb31dfb52f055bb0d4063f598"
                },
                {
                  "fixed": "bb3d6153f69df4a5759bf855f90c50d9158f55e5"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "11.3.0"
                      },
                      {
                        "fixed": "11.3.7"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "versions": [
            "11.3.6",
            "11.3.5",
            "11.3.4",
            "11.3.3",
            "11.3.2",
            "11.3.1",
            "11.3.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-6367.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.888222072Z",
      "provider": "osv",
      "references": [
        "https://git.drupalcode.org/project/drupal",
        "https://www.drupal.org/project/drupal",
        "https://www.drupal.org/sa-core-2026-003",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6367.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-6367"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "drupal",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/6xxx/CVE-2026-6367.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-6367",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521843,
  "published_at": "2026-05-19T22:28:07.47+00:00"
}