MP3 Audio Player by Sonaar 5.9 - 5.15 - Contributor+ Stored XSS via Shortcode Attribute

{
  "id": "7f17e742b551b4b78ba10ed0f9ae0c41b20c0a52d35e7fffebecb56cc6dd55b1",
  "url": "https://www.cve.org/CVERecord?id=CVE-2026-111967",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "MP3 Audio Player by Sonaar 5.9 - 5.15 - Contributor+ Stored XSS via Shortcode Attribute",
    "summary": "The MP3 Audio Player WordPress plugin before 5.16 does not escape one of its audio player shortcode attributes before outputting it into an HTML attribute, allowing users with Contributor-level access and above to inject arbitrary JavaScript that executes when another user, such as an administrator previewing a pending post, views the content.",
    "evidence": "cve:CVE-2026-111967",
    "products": [
      {
        "name": {
          "value": "MP3 Audio Player",
          "evidence": "/containers/cna/affected/0/product"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2026-111967",
      "aliases": [
        "CVE-2026-111967"
      ],
      "metrics": [],
      "affected": [
        {
          "vendor": "Unknown",
          "product": "MP3 Audio Player",
          "versions": [
            {
              "status": "affected",
              "version": "5.9",
              "lessThan": "5.16",
              "versionType": "semver"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ],
      "modified": "2026-10-28T17:58:05.640Z",
      "provider": "cve",
      "references": [
        "https://wpscan.com/vulnerability/b0013531-eecd-4cbc-a0d2-2872384e6f3c/"
      ],
      "provider_metadata": {
        "adp": [
          {
            "title": "CISA ADP Vulnrichment",
            "metrics": [
              {
                "cvssV3_1": {
                  "scope": "UNCHANGED",
                  "version": "3.1",
                  "baseScore": 6.8,
                  "attackVector": "NETWORK",
                  "baseSeverity": "MEDIUM",
                  "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
                  "integrityImpact": "HIGH",
                  "userInteraction": "REQUIRED",
                  "attackComplexity": "LOW",
                  "availabilityImpact": "HIGH",
                  "privilegesRequired": "HIGH",
                  "confidentialityImpact": "HIGH"
                }
              },
              {
                "other": {
                  "type": "ssvc",
                  "content": {
                    "id": "CVE-2026-111967",
                    "role": "CISA Coordinator",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "total"
                      }
                    ],
                    "version": "2.0.3",
                    "timestamp": "2026-10-28T17:43:05.697346Z"
                  }
                }
              }
            ],
            "problemTypes": [
              {
                "descriptions": [
                  {
                    "lang": "en",
                    "type": "CWE",
                    "cweId": "CWE-79",
                    "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"
                  }
                ]
              }
            ],
            "providerMetadata": {
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP",
              "dateUpdated": "2026-10-28T17:58:05.640Z"
            }
          }
        ],
        "cna": {
          "orgId": "1bfdd5d7-9bf6-4a53-96ea-42e2716d7a81",
          "shortName": "WPScan",
          "dateUpdated": "2026-10-28T06:00:25.402Z"
        }
      }
    },
    "related_cves": [
      {
        "value": "CVE-2026-111967",
        "evidence": "/cveMetadata/cveId"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-cve",
  "document_id": 470535,
  "published_at": "2026-10-28T06:00:25.402+00:00"
}