Unexpected external content may be displayed in DNN ImageHandler

{
  "id": "94b1bd49c7326e66948723d80a1b772bc1a15fe04886c5b3b4c10c7a17ddcab6",
  "url": "https://osv.dev/vulnerability/CVE-2025-32371",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Unexpected external content may be displayed in DNN ImageHandler",
    "summary": "DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. A url could be crafted to the DNN ImageHandler to render text from a querystring parameter. This text would display in the resulting image and a user that trusts the domain might think that the information is legitimate. This vulnerability is fixed in 9.13.4.",
    "evidence": "osv:CVE-2025-32371",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-32371",
      "aliases": [
        "CVE-2025-32371",
        "GHSA-2rrc-g594-rhqw"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/dnnsoftware/dnn.platform",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "b53b76ec77cb5c9deacc1de70b56fb1e1ecd73ff"
                },
                {
                  "fixed": "5def7cc2e7931bb1041b21540bde99f96874a5a9"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "9.13.4"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "5def7cc2e7931bb1041b21540bde99f96874a5a9"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "v9.13.3",
            "v9.13.2",
            "v9.13.1",
            "v9.13.2-rc1",
            "v9.13.0",
            "v9.12.0",
            "v9.13.0-rc3",
            "v9.13.0-rc1",
            "v9.12.0-rc1",
            "v9.11.1",
            "v9.11.2-rc1",
            "v9.11.2",
            "v9.11.0",
            "v9.11.1-rc1",
            "v9.10.2",
            "v9.11.0-rc4",
            "v9.10.1",
            "v9.10.0",
            "v9.10.1-rc1",
            "v9.9.1",
            "v9.10.0-rc1",
            "v9.9.0",
            "v9.9.1-rc1",
            "v9.8.1",
            "v9.8.0",
            "v9.8.1-rc1",
            "v9.7.2",
            "v9.8.0-rc1",
            "v9.7.1",
            "v9.7.0",
            "v9.6.2",
            "v9.6.1",
            "v9.6.0",
            "v9.5.0",
            "v9.6.0-rc1",
            "v9.5.0-rc2",
            "v9.4.4",
            "v9.5.0-rc1",
            "v9.4.3-rc1",
            "v9.4.3",
            "v9.4.2",
            "v9.4.2-rc1",
            "v9.4.1-rc1",
            "v9.4.1",
            "v9.4.0",
            "v9.4.0-rc1",
            "v9.4.0-rc0",
            "v9.3.0-rc1",
            "v9.3.0-rc0",
            "v9.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-32371.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:28.882359574Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/32xxx/CVE-2025-32371.json",
        "https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2rrc-g594-rhqw",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-32371",
        "https://github.com/dnnsoftware/Dnn.Platform/commit/5def7cc2e7931bb1041b21540bde99f96874a5a9"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-451"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/32xxx/CVE-2025-32371.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-32371",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 495607,
  "published_at": "2025-04-09T15:14:29.025+00:00"
}