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CVE-2017-20288— QCubed 3.1.1 Reflected XSS via installer step_2.php

Quick assessment

Affected
QCubed QCubed
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

QCubed 2.2.0 至 3.1.1 版本存在反射型跨站脚本（XSS）漏洞，允许未认证的攻击者通过 参数注入脚本。攻击者可构造针对 的恶意 GET 请求，其中包含未转义的 参数值，从而在受害者浏览器中执行 JavaScript 代码。Shadowserver 基金会于 2023 年 10 月 20 日首次观察到该漏洞的利用证据。

CVSS 6.1 · Medium

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2017-20288

Vulnerability Information
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Vulnerability Title
QCubed 3.1.1 Reflected XSS via installer step_2.php
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
QCubed QCubed 2.2.0 ~ 3.1.1 -

II. Public POCs for CVE-2017-20288

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III. Intelligence Information for CVE-2017-20288

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Other References for CVE-2017-20288 (3)

IV. Related Vulnerabilities

Same weakness: CWE-79

V. Comments for CVE-2017-20288

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