{
  "affected": [
    {
      "package": {
        "ecosystem": "Packagist",
        "name": "typo3/cms"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0"
            },
            {
              "fixed": "9.5.4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2024-06-05T17:23:19Z",
    "nvd_published_at": null,
    "severity": "MODERATE"
  },
  "details": "Failing to properly encode information from external sources, language pack handling in the install tool is vulnerable to cross-site scripting.",
  "id": "GHSA-259v-xm34-p7fr",
  "modified": "2024-06-05T17:23:19Z",
  "published": "2024-06-05T17:23:19Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/2019-01-22-8.yaml"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/TYPO3/typo3"
    },
    {
      "type": "WEB",
      "url": "https://typo3.org/security/advisory/typo3-core-sa-2019-004"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [],
  "summary": "Typo3 Cross-Site Scripting in Language Pack Handling"
}