vulnwire
6.1med

CVE-2017-20288

QCubed 3.1.1 Reflected XSS via installer step_2.php

Published 16 d ago · modified 9 d ago · JSON

CVSS
6.1
v3.1 · CNA
CISA KEV
No
not known exploited
EPSS
0.3%
percentile 17%
Public exploits
0
none known

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.

CISA SSVC assessment

Exploitation
Proof of concept public
Automatable
no
Technical impact
partial
Assessed
9 d ago

Exploit prediction (EPSS)

0.26% probability of exploitation in the next 30 days, higher than 17% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
CNA4.05.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
CNA3.16.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CNA4.05.1CVSS: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
CNA3.16.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected products

  • QCubed QCubed

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

  • github.com /qcubed/qcubed/issues/1230 · issue-tracking, exploit
  • github.com /projectdiscovery/nuclei-templates/blob/main/http/vulnerabilities/other/qcubed-xss.yaml · technical-description
  • vulncheck.com /advisories/qcubed-3.1.1-reflected-xss-via-installer-step-2-php · third-party-advisory

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.