AVideo CustomizeUser Stored XSS via field_name Parameter

{
  "id": "47ae7349dbc7294e48b9420ac7d9a447f6901dcce233bce36f3bfcb14478263a",
  "url": "https://osv.dev/vulnerability/CVE-2026-89254",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "AVideo CustomizeUser Stored XSS via field_name Parameter",
    "summary": "AVideo through commit c3edcc274c389816d434acadac07ee78eaf330c1 contains a stored cross-site scripting vulnerability in the CustomizeUser plugin where the field_name parameter is stored raw without sanitization. Administrators can inject malicious scripts via the add.json.php endpoint that execute when viewing extra info pages or profile forms that render the typeToHTML function.",
    "evidence": "osv:CVE-2026-89254",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2026-89254",
      "aliases": [
        "CVE-2026-89254",
        "GHSA-7hj4-f9x4-gg7p"
      ],
      "metrics": [
        {
          "type": "CVSS_V4",
          "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/wwbn/avideo",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "last_affected": "c3edcc274c389816d434acadac07ee78eaf330c1"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "c3edcc274c389816d434acadac07ee78eaf330c1"
                      }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                  },
                  {
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "last_affected": "c3edcc274c389816d434acadac07ee78eaf330c1"
                      }
                    ],
                    "source": "DESCRIPTION"
                  }
                ]
              }
            }
          ],
          "versions": [
            "29.0",
            "26.0",
            "25.0",
            "24.0",
            "22.0",
            "21.0",
            "18.0",
            "14.3.1",
            "14.3",
            "12.4",
            "11.6",
            "11.5",
            "11.1.1",
            "11.1",
            "11",
            "10.8",
            "8.9.1",
            "8.9",
            "8.7",
            "8.6",
            "8.5",
            "8.1",
            "7.8",
            "7.7",
            "7.6",
            "7.4",
            "7.3",
            "7.2",
            "4.0",
            "3.4",
            "2.7",
            "2.2"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-89254.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:42.952506434Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89254.json",
        "https://github.com/WWBN/AVideo/security/advisories/GHSA-7hj4-f9x4-gg7p",
        "https://nvd.nist.gov/vuln/detail/CVE-2026-89254",
        "https://www.vulncheck.com/advisories/avideo-customizeuser-stored-xss-via-field-name-parameter"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "VulnCheck",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/89xxx/CVE-2026-89254.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-89254",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 510943,
  "published_at": "2026-09-11T11:15:31.566+00:00"
}