CVE-2026-49849 xShop: Unrestricted File Upload in File Attachment Module in Admin panel leads to Arbitrary Code Execution
An authenticated administrator can upload malicious PHP files to achieve remote code execution and full system compromise.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-49849?
CVE-2026-49849 is a critical vulnerability in 4xmen xshop, published on 21 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official 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.
Weakness: CWE-434
Which versions are affected by CVE-2026-49849?
How do I fix CVE-2026-49849?
No fix has been published for CVE-2026-49849 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-49849 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-49849 exists.
Sources
Also known as GHSA-fc35-qjg3-f6g7.