CVE-2023-53885CWE-434

Webutler v3.2 Remote Code Execution via Arbitrary File Upload

High · published December 15, 2025

CVSS v4.0
8.6
EPSS
1%
Percentile
60.1
In the wild
Unconfirmed
What it is

⚡ An authenticated admin can unwittingly open the door to disaster! Webutler v3.2 has a remote code execution vulnerability that allows PHP file uploads with embedded commands. 🔥 Think of it like a hotel concierge who lets anyone drop off their luggage without checking the contents — a sneaky guest could slip in a bag filled with mischief! This means that a malicious actor could potentially execute arbitrary commands on the server, leading to devastating consequences like data loss, unauthorized access, or even taking full control of the system. With just a crafted PHAR file, the attacker could wreak havoc, making this a serious issue for any Webutler user.

Put simply

Think of it like a hotel concierge who lets anyone drop off their luggage without checking the contents — a sneaky guest could slip in a bag filled with mischief! The vulnerability exists because Webutler allows authenticated administrators to upload PHAR files containing PHP code that can execute system commands when accessed, effectively bypassing normal security measures.

What to do

This means that a malicious actor could potentially execute arbitrary commands on the server, leading to devastating consequences like data loss, unauthorized access, or even taking full control of the system. With just a crafted PHAR file, the attacker could wreak havoc, making this a serious issue for any Webutler user. Immediately patch to the latest version of Webutler, which addresses this vulnerability. Additionally, consider restricting file uploads to only safe file types, and implement strict validation checks to prevent harmful uploads. Regular security audits can also help identify such weaknesses before they can be exploited. You've got this! Follow these steps, and you’ll have your Webutler setup secure in no time. 🛡️

The record
Technical detail
CVSS v4.0
8.6 · HIGH
Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
EPSS
0.00924 · 60.1th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-12-15T20:28Z
EPSS history
Timeline
  • 15 DEC 20:28Z
    Webutler v3.2 Remote Code Execution via Arbitrary File Upload
    cvelistv5