{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "source": "REFERENCES"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "c54a6ac79de42cff35b453882d1d94cd38adb17f"
            }
          ],
          "repo": "https://github.com/osticket/osticket",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "mitre",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38444.json"
  },
  "details": "osTicket v1.18.3 is vulnerable to Stored Cross-Site Scripting (XSS) via the email From-header display name. The value is extracted without sanitization in include/class.mailparse.php and stored raw in the poster field of ost_thread_entry. When an unauthenticated attacker sends a reply email to an existing ticket from an unregistered address with an XSS payload in the From display name.",
  "id": "CVE-2026-38444",
  "modified": "2026-08-12T03:51:31.516291409Z",
  "published": "2026-08-03T00:00:00Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/fr3akhacks/cve-disclosures/blob/master/osTicket/CVE-2026-38444.md"
    },
    {
      "type": "WEB",
      "url": "https://github.com/osTicket/osTicket/blob/develop/include/class.mailparse.php"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/38xxx/CVE-2026-38444.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-38444"
    },
    {
      "type": "FIX",
      "url": "https://github.com/osTicket/osTicket/commit/c54a6ac79de42cff35b453882d1d94cd38adb17f"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}