CVE-2023-53942CWE-434

File Thingie 2.5.7 Authenticated Arbitrary File Upload Remote Code Execution

Critical · published December 18, 2025

CVSS v4.0
9.4
EPSS
1%
Percentile
46.9
In the wild
Unconfirmed
What it is

🚨 A crafty upload vulnerability in File Thingie 2.5.7 turns your server into a playground for attackers! 🔥 Think of it like a restaurant allowing customers to bring in their own ingredients for the chef to cook with — if those ingredients are tainted, the whole meal is compromised!🍽️ An attacker could easily upload a malicious PHP zip archive, unzip it, and execute arbitrary commands on your server. This could lead to unauthorized access, data breaches, or even complete system takeovers. It's a serious risk that can turn your web server into a chaotic hacker's den!

Put simply

Think of it like a restaurant allowing customers to bring in their own ingredients for the chef to cook with — if those ingredients are tainted, the whole meal is compromised!🍽️ This vulnerability allows authenticated users to upload a crafted PHP zip file containing malicious scripts, which can then be executed on the server, granting the attacker control over the system.

What to do

An attacker could easily upload a malicious PHP zip archive, unzip it, and execute arbitrary commands on your server. This could lead to unauthorized access, data breaches, or even complete system takeovers. It's a serious risk that can turn your web server into a chaotic hacker's den! To safeguard your setup, immediately update File Thingie to the latest version that fixes this issue. Additionally, review your upload handling to restrict file types and implement strict validation. Consider monitoring logs for any unusual file uploads that might indicate exploitation attempts. You've got this! With these actions, you'll shore up your defenses and keep your server safe from unwelcome guests! 🛡️

The record
Technical detail
CVSS v4.0
9.4 · CRITICAL
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
EPSS
0.00578 · 46.9th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-12-18T19:53Z
EPSS history
Timeline
  • 18 DEC 19:53Z
    File Thingie 2.5.7 Authenticated Arbitrary File Upload Remote Code Execution
    cvelistv5