{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "2.28.2"
              }
            ],
            "source": [
              "AFFECTED_FIELD",
              "REFERENCES"
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "26647b2e68ba30b9d7987d4e03d7a16416684bc2"
            }
          ],
          "repo": "https://github.com/mantisbt/mantisbt",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44657.json"
  },
  "details": "Mantis Bug Tracker (MantisBT) is an open source issue tracker. Prior to 2.28.2, using show_inline=1 parameter and a valid file_show_inline_token CSRF token on file_download.php, an attacker can execute code by uploading a crafted XHTML attachment referencing a JavaScript attachment. This vulnerability is fixed in 2.28.2.",
  "id": "CVE-2026-44657",
  "modified": "2026-07-08T05:36:36.613129491Z",
  "published": "2026-05-28T20:25:26.816Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://mantisbt.org/bugs/view.php?id=37020"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44657.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/mantisbt/mantisbt/security/advisories/GHSA-9c3j-xm6v-j7j3"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/mantisbt/mantisbt/security/advisories/GHSA-p6fr-rxq7-xcg8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-44657"
    },
    {
      "type": "FIX",
      "url": "https://github.com/mantisbt/mantisbt/commit/26647b2e68ba30b9d7987d4e03d7a16416684bc2"
    }
  ],
  "related": [
    "GHSA-9c3j-xm6v-j7j3",
    "GHSA-p6fr-rxq7-xcg8"
  ],
  "schema_version": "1.7.5",
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N",
      "type": "CVSS_V4"
    }
  ],
  "summary": "MantisBT: Stored XSS in File Download"
}