{"id":"CVE-2017-20288","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.","modified":"2026-10-31T02:45:03.151359956Z","published":"2026-10-22T11:17:02.913Z","database_specific":{},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/qcubed/qcubed","events":[{"introduced":"4e4f3c9a5afa111a72161aa404bda79d84f0cb8a"},{"last_affected":"9695e476bcad2387a5356d430b439822f935ac6f"}],"database_specific":{"extracted_events":[{"range":[{"introduced":"2.2.0"},{"last_affected":"3.1.1"}],"source":"DESCRIPTION"}]}}],"versions":["v3.1.1","v3.1.0","v3.0.9","v3.0.8","v3.0.7","v3.0.6","v3.0.5-beta","v3.0.4-beta","v3.0.3-beta","v3.0.2-beta","v3.0.1-beta","2.2.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-20288.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V4","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"}]}