{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "introduced": "0"
              },
              {
                "fixed": "6.2.2"
              }
            ],
            "source": "AFFECTED_FIELD"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1bcb02adfc365c6436dc26ab2f6dd32d97f3979b"
            }
          ],
          "repo": "https://github.com/silverstripe/silverstripe-framework",
          "type": "GIT"
        }
      ]
    }
  ],
  "aliases": [
    "GHSA-gvrw-qqp5-jgc5"
  ],
  "database_specific": {
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
      "CWE-79"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54720.json"
  },
  "details": "Silverstripe Framework is a PHP framework which powers the Silverstripe CMS. In versions prior to 6.2.2, the \"Insert media from web\" functionality in the CMS is vulnerable to XSS from a specially crafted embed. This issue was fixed in version 6.2.2/",
  "id": "CVE-2026-54720",
  "modified": "2026-08-12T03:51:21.831570058Z",
  "published": "2026-07-01T21:02:59.522Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.silverstripe.org/download/security-releases/cve-2026-54720"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/54xxx/CVE-2026-54720.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/silverstripe/silverstripe-framework/security/advisories/GHSA-gvrw-qqp5-jgc5"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-54720"
    }
  ],
  "schema_version": "1.9.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Silverstripe Framework: Possible XSS attack through media embed"
}