{
  "affected": [
    {
      "ranges": [
        {
          "database_specific": {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "2.2.0"
                  },
                  {
                    "last_affected": "3.1.1"
                  }
                ],
                "source": "DESCRIPTION"
              }
            ]
          },
          "events": [
            {
              "introduced": "4e4f3c9a5afa111a72161aa404bda79d84f0cb8a"
            },
            {
              "last_affected": "9695e476bcad2387a5356d430b439822f935ac6f"
            }
          ],
          "repo": "https://github.com/qcubed/qcubed",
          "type": "GIT"
        }
      ]
    }
  ],
  "database_specific": {},
  "details": "QCubed 2.2.0 through 3.1.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts through the installation_path parameter. Attackers can craft GET requests to /assets/php/_devtools/installer/step_2.php with malicious installation_path values echoed unescaped, executing JavaScript in victims' browsers. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-20.",
  "id": "CVE-2017-20288",
  "modified": "2026-10-31T02:30:46.306171723Z",
  "published": "2026-10-22T11:17:02.913Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/qcubed-xss.yaml"
    },
    {
      "type": "ADVISORY",
      "url": "https://www.vulncheck.com/advisories/qcubed-3.1.1-reflected-xss-via-installer-step-2-php"
    },
    {
      "type": "REPORT",
      "url": "https://github.com/qcubed/qcubed/issues/1230"
    }
  ],
  "severity": [
    {
      "score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
      "type": "CVSS_V4"
    }
  ]
}