CVE-2025-55835

File Upload vulnerability in SueamCMS v.0.1.2 allows a remote attacker to execute arbitrary code via the lack of filtering

Critical · published September 12, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
58.8
In the wild
Unconfirmed
What it is

🚨 A missing filter in SueamCMS v.0.1.2 is like leaving the front door wide open for any unwanted guests — and attackers could exploit this to run arbitrary code on your server! 🔥 Think of this vulnerability as a restaurant that doesn’t check what ingredients are allowed in the kitchen. If a rogue chef brings in anything, they could whip up a dangerous dish that could poison the entire menu! With this vulnerability, an attacker could waltz right in and execute any code on your server, potentially leading to data breaches, service disruption, or even total system takeover. This could be absolutely devastating for your organization, risking sensitive information and crippling your operations.

Put simply

Think of this vulnerability as a restaurant that doesn’t check what ingredients are allowed in the kitchen. If a rogue chef brings in anything, they could whip up a dangerous dish that could poison the entire menu! This file upload vulnerability allows a remote attacker to exploit the lack of filtering in SueamCMS, enabling them to upload malicious files that execute arbitrary code on the server.

What to do

With this vulnerability, an attacker could waltz right in and execute any code on your server, potentially leading to data breaches, service disruption, or even total system takeover. This could be absolutely devastating for your organization, risking sensitive information and crippling your operations. Immediate action is needed: upgrade SueamCMS to the latest version to patch this vulnerability, implement strict file type validation, and review your existing file upload functionalities. Don't let unnecessary risks linger! You've got this! With these steps, you're on your way to locking down your system and earning that security hero badge! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00884 · 58.8th percentile
Published
2025-09-12T00:00Z
EPSS history
Timeline
  • 12 SEP 00:00Z
    File Upload vulnerability in SueamCMS v.0.1.2 allows a remote attacker to execute arbitrary code via the lack of filtering
    cvelistv5