CVE-2020-37073CWE-434

Victor CMS 1.0 - Authenticated Arbitrary File Upload

High · published February 3, 2026

CVSS v4.0
8.6
EPSS
1%
Percentile
45.0
In the wild
Unconfirmed
What it is

⚡ An administrator could inadvertently unleash chaos with a single file upload! Victor CMS 1.0 has a critical vulnerability that lets attackers slip in malicious PHP files through the user_image parameter. 🔥 It's like a hotel manager unknowingly letting a guest sneak in a suitcase full of explosives — once that bag is inside, the potential for disaster is immense. Just like that suitcase, an uploaded PHP shell could execute commands and wreak havoc on the entire system. If exploited, an attacker could upload a malicious PHP shell to the server, allowing them to execute system commands at will — think of it as handing over the keys to the kingdom! This could lead to data breaches, server control, or even complete system takeover, making it an alarming issue that needs immediate attention.

Put simply

It's like a hotel manager unknowingly letting a guest sneak in a suitcase full of explosives — once that bag is inside, the potential for disaster is immense. Just like that suitcase, an uploaded PHP shell could execute commands and wreak havoc on the entire system. This authenticated file upload vulnerability in Victor CMS 1.0 allows administrators to upload arbitrary PHP files, which can then be executed by accessing them via a specific parameter. Essentially, it’s a backdoor that the system trusts way too much!

What to do

If exploited, an attacker could upload a malicious PHP shell to the server, allowing them to execute system commands at will — think of it as handing over the keys to the kingdom! This could lead to data breaches, server control, or even complete system takeover, making it an alarming issue that needs immediate attention. To safeguard your system, immediately patch to the latest version of Victor CMS and implement strict validation on file uploads. Always ensure that uploaded files are deeply inspected to prevent malicious content from slipping through! You've got this! With the right steps, you can lock down your system and keep it safe from potential threats. 🛡️

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
0.00547 · 45.0th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2026-02-03T22:01Z
EPSS history
Timeline
  • 03 FEB 22:01Z
    Victor CMS 1.0 - Authenticated Arbitrary File Upload
    cvelistv5