CVE-2017-20288mediumobserved exploitationCWE-79

CVE-2017-20288: medium-severity vulnerability in QCubed

QCubed 3.1.1 Reflected XSS via installer step_2.php

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55Vexday Risk Score

Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.

ssvc Actcvss 5.1epss 0.3%
from disclosure to weapon
Published on NVDOct 22
VulnCheckOct 22
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.
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
Affected products
QCubed · QCubed
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