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CVE-2026-49849— xShop: Unrestricted File Upload in File Attachment Module in Admin panel leads to Arbitrary Code Execution

Quick assessment

Affected
4xmen xshop
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

xShop 是一个基于 Laravel 框架开发的开源电商系统。在 xShop 3.0.3 版本中，存在一个不受限制的任意文件上传漏洞，允许已认证的 administrators 上传可执行文件（例如 .php 文件）。攻击者通过上传精心构造的 PHP 文件，可以在服务器上实现远程代码执行（RCE），从而导致整个系统的完全被控。该漏洞已在 xShop 3.0.4 版本中修复。

CVSS 9.1 · Critical EPSS 0.70% · P50

Affected Version Matrix 1

VendorProduct Version RangeStatus
4xmen xshop = 3.0.3 affected
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I. Basic Information for CVE-2026-49849

Vulnerability Information
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Vulnerability Title
xShop: Unrestricted File Upload in File Attachment Module in Admin panel leads to Arbitrary Code Execution
Source: CVE Program / CVE List V5
Vulnerability Description
xShop is an open-source shop developed in Laravel. An Unrestricted File Upload vulnerability in xShop version 3.0.3 allows an authenticated administrator to upload executable files (e.g., .php). By uploading a specially crafted php file, an attacker can achieve Remote Code Execution (RCE) on the server, leading to a full system compromise. Version 3.0.4 fixes the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
危险类型文件的不加限制上传
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
4xmen xshop = 3.0.3 -

II. Public POCs for CVE-2026-49849

# POC Description Source Link Shenlong Link
AI-Generated POC Premium
Qwen3.6-35B-A3B · 9392 chars
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III. Intelligence Information for CVE-2026-49849

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Patches & Fixes for CVE-2026-49849 (2)

Vendor Advisories for CVE-2026-49849 (1)

IV. Related Vulnerabilities

Same vendor: 4xmen
Same weakness: CWE-434

V. Comments for CVE-2026-49849

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