Pimcore Platform v12.3.3 - Stored XSS in Document Editable Embed rendering

{
  "id": "621d5b0860738e8890099c5a950ea99ed42fd3b8db52b1d92d3f1a856676c575",
  "url": "https://osv.dev/vulnerability/CVE-2026-5362",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Pimcore Platform v12.3.3 - Stored XSS in Document Editable Embed rendering",
    "summary": "An authenticated attacker with permission to edit document content can store crafted HTML/JavaScript in a Document embed editable and cause script execution when the published page is rendered. This issue affects pimcore: v12.3.3.",
    "evidence": "osv:CVE-2026-5362",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-5362",
      "aliases": [
        "CVE-2026-5362",
        "GHSA-7gxw-q9j5-mrj4"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/pimcore/pimcore",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1c3925fbec4895abeb21e5c244a83679c4e4a6f4"
                },
                {
                  "last_affected": "1c3925fbec4895abeb21e5c244a83679c4e4a6f4"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "v12.3.3"
                      },
                      {
                        "last_affected": "v12.3.3"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandaloneSingleVersion"
                  },
                  {
                    "cpe": "cpe:2.3:a:pimcore:pimcore:12.3.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "12.3.3"
                      },
                      {
                        "last_affected": "12.3.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "12.3.3",
            "v12.3.3"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-5362.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.987033692Z",
      "provider": "osv",
      "references": [
        "https://github.com/pimcore/pimcore/",
        "https://fluidattacks.com/es/advisories/mago",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5362.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-5362"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "Fluid Attacks",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5362.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-5362",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 521889,
  "published_at": "2026-04-27T20:16:01.154+00:00"
}