{"id":"CVE-2017-20288","published":"2026-10-22T11:17:02.913","lastModified":"2026-10-22T17:40:46.877","description":"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.","cvssScore":6.1,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwes":["CWE-79"],"vendors":[],"products":[],"references":[{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/qcubed-xss.yaml","tags":[]},{"url":"https://github.com/qcubed/qcubed/issues/1230","tags":[]},{"url":"https://www.vulncheck.com/advisories/qcubed-3.1.1-reflected-xss-via-installer-step-2-php","tags":[]}],"exploitRefs":[{"url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/qcubed-xss.yaml","tags":[]},{"url":"https://github.com/qcubed/qcubed/issues/1230","tags":[]}],"hasPoc":true,"ai":null}