Jivejdon through 5.0 Stored XSS via Attachment Upload Content-Type

{
  "id": "dd4c4929ba3b713dcbda2a49a693efdae1c179f6eebad88a124609850b3648af",
  "url": "https://osv.dev/vulnerability/CVE-2026-107801",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Jivejdon through 5.0 Stored XSS via Attachment Upload Content-Type",
    "summary": "Jivejdon through 5.0 contains a stored cross-site scripting vulnerability that allows authenticated attackers to execute JavaScript by uploading attachments with an attacker-supplied Content-Type. Attackers can upload a file declared as text/html, which UploadShowAction serves inline, and share its link to run JavaScript on the application's origin for viewing users.",
    "evidence": "osv:CVE-2026-107801",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2026-107801",
      "aliases": [
        "CVE-2026-107801"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/banq/jivejdon",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "910fafbfa718d0a2be6bb034fa02bcbb580bd731"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "5.0"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "5.0"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "5.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-107801.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:33.582716193Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107801.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-107801",
        "https://www.vulncheck.com/advisories/jivejdon-through-5.0-stored-xss-via-attachment-upload-content-type",
        "https://github.com/banq/jivejdon/issues/28",
        "https://github.com/banq/jivejdon",
        "https://github.com/banq/jivejdon/blob/ee67a65e65228644a71c8317d7e34deea50f95ef/src/main/java/com/jdon/jivejdon/domain/model/message/upload/UploadHelper.java#L84-L91",
        "https://github.com/banq/jivejdon/blob/ee67a65e65228644a71c8317d7e34deea50f95ef/src/main/java/com/jdon/jivejdon/presentation/action/UploadShowAction.java#L135-L142"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/107xxx/CVE-2026-107801.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-107801",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 500447,
  "published_at": "2026-10-08T21:51:31.992+00:00"
}