{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "versions": [
              {
                "introduced": "0"
              },
              {
                "last_affected": "1.4.16"
              }
            ]
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "ffde8f14b07f2b05af1490462b07494dbdab128b"
            }
          ],
          "repo": "https://github.com/formstone/formstone",
          "type": "GIT"
        }
      ]
    }
  ],
  "details": "Formstone \u003c=1.4.16 is vulnerable to a Reflected Cross-Site Scripting (XSS) vulnerability caused by improper validation of user supplied input in the upload-target.php and upload-chunked.php files. A remote attacker could exploit this vulnerability using a specially crafted URL to execute a script in a victim's Web browser within the security context of the hosting Web site once the URL is clicked or visited. An attacker could use this vulnerability to steal the victim's cookie-based authentication credentials, force malware execution, user redirection and others.",
  "id": "CVE-2020-26768",
  "modified": "2026-03-13T21:46:55.633299156Z",
  "published": "2021-01-07T13:15:11.623Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/Formstone/Formstone/issues/286"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ]
}