CVE-2023-31903

GuppY CMS 6.00.10 is vulnerable to Unrestricted File Upload which allows remote attackers to execute arbitrary code by uploading a php file

Critical · published May 17, 2023

CVSS v3.1
9.8
EPSS
2%
Percentile
81.3
In the wild
Unconfirmed
What it is

🚨 An unrestricted file upload vulnerability in GuppY CMS 6.00.10 means attackers can upload malicious PHP files without breaking a sweat! 🔥 Think of it like a delivery driver dropping off a package without checking to see if it's actually a bomb — anyone can send anything to your server, and it might just explode! 💣 If exploited, this vulnerability could allow an attacker to run arbitrary code on your server, effectively giving them the keys to your entire digital kingdom. They could steal sensitive data, deface your website, or even take over your server entirely, which could be absolutely devastating for your business!

Put simply

Think of it like a delivery driver dropping off a package without checking to see if it's actually a bomb — anyone can send anything to your server, and it might just explode! 💣 This critical flaw allows remote attackers to bypass file upload restrictions, letting them upload malicious PHP files directly to the server. Once executed, this code can perform any action on the server, compromising its integrity and security.

What to do

If exploited, this vulnerability could allow an attacker to run arbitrary code on your server, effectively giving them the keys to your entire digital kingdom. They could steal sensitive data, deface your website, or even take over your server entirely, which could be absolutely devastating for your business! Immediate action is required! Update your GuppY CMS to version 6.00.11 to close this gaping hole. Additionally, configure your server to restrict file types that can be uploaded and implement strict validation checks on user input. Don't delay! You've got this! Follow these steps, and you'll be well on your way to securing your server! 🛡️

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
0.02075 · 81.3th percentile
Published
2023-05-17T00:00Z
EPSS history
Timeline
  • 17 MAY 00:00Z
    GuppY CMS 6.00.10 is vulnerable to Unrestricted File Upload which allows remote attackers to execute arbitrary code by uploading a php file
    cvelistv5