{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.3.3"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "DESCRIPTION"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "360bace463c78314adb07d6b8bffc4676b73be29"
            }
          ],
          "repo": "https://github.com/django-helpdesk/django-helpdesk",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-q46c-8w98-fq2g"
  ],
  "database_specific": {
    "cna_assigner": "VulnCheck",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73531.json"
  },
  "details": "django-helpdesk before 2.3.3 contains a stored cross-site scripting vulnerability that allows unauthenticated attackers to inject arbitrary JavaScript by submitting HTML-formatted email messages or uploading .html/.htm file attachments through public ticket submission channels. Attackers can exploit the lack of sanitization and Content-Disposition headers at the attachment-serving layer to execute malicious scripts in the browser session of authenticated staff members who open the attachment while triaging tickets.",
  "id": "CVE-2026-73531",
  "modified": "2026-08-16T03:31:00.449910447Z",
  "published": "2026-08-13T19:06:11.969Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/73xxx/CVE-2026-73531.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/django-helpdesk/django-helpdesk/security/advisories/GHSA-q46c-8w98-fq2g"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-73531"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/django-helpdesk-stored-xss-via-html-attachments"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/django-helpdesk/django-helpdesk"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "django-helpdesk \u003c 2.3.3 Stored XSS via HTML Attachments"
}