{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "4.5.0"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "2ee628239a4c8147a67e41e7c6ee2b755c9c4f0b"
            },
            {
              "fixed": "52215f708395a329c9e17ea33bfc6762d4efccbb"
            }
          ],
          "repo": "https://gitlab.com/lepton-cms/LEPTON",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "An XSS vulnerability exists in modules/wysiwyg/save.php of LeptonCMS 4.5.0. This can be exploited because the only security measure used against XSS is the stripping of SCRIPT elements. A malicious actor can use HTML event handlers to run JavaScript instead of using SCRIPT elements.",
  "id": "CVE-2020-12707",
  "modified": "2026-03-13T21:56:25.199557767Z",
  "published": "2020-05-07T20:15:12.500Z",
  "references": [
    {
      "type": "FIX",
      "url": "https://gitlab.com/lepton-cms/LEPTON/-/commit/52215f708395a329c9e17ea33bfc6762d4efccbb"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}