{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.8.0-NA"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "569ec8e70618892017558dbf5214d8d414322728"
            }
          ],
          "repo": "https://github.com/cmsimple-xh/cmsimple-xh",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "A reflected XSS vulnerability exists in CMSimple_XH 1.8's index.php router when attacker-controlled path segments are not sanitized or encoded before being inserted into the generated HTML (navigation links, breadcrumbs, search form action, footer links). An attacker-controlled string placed in the URL path is reflected into multiple HTML elements, allowing execution of arbitrary JavaScript in victims' browsers visiting a crafted URL.",
  "id": "CVE-2025-63589",
  "modified": "2026-03-13T21:57:59.669769226Z",
  "published": "2025-11-06T17:15:46.343Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/cmsimple-xh/cmsimple-xh/blob/master/index.php"
    },
    {
      "type": "EVIDENCE",
      "url": "https://github.com/cybercrewinc/CVE-2025-63589"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}