CVE-2023-4666

Form-Maker < 1.15.20 - Unauthenticated Arbitrary File Upload

Critical · published October 16, 2023

CVSS v3.1
9.8
EPSS
4%
Percentile
89.9
In the wild
Unconfirmed
What it is

🚨 A tiny oversight in the Form Maker plugin allows anyone to create files on your server—no authentication needed! 🔥 Think of it like a restaurant that lets anyone write whatever they want on the menu without checking their ID; before you know it, strange and unwanted dishes are being served. Anyone could whip up harmful files that your site unwittingly hosts! This vulnerability means an attacker could create arbitrary files on your server, potentially leading to remote code execution. Imagine a thief sneaking into your kitchen, cooking up dangerous dishes that could take over your entire restaurant! If exploited, this could lead to devastating consequences, including data breaches or total server compromise.

Put simply

Think of it like a restaurant that lets anyone write whatever they want on the menu without checking their ID; before you know it, strange and unwanted dishes are being served. Anyone could whip up harmful files that your site unwittingly hosts! CVE-2023-4666 arises because the Form Maker plugin fails to validate signatures from user input when creating files. This oversight allows unauthenticated users to craft malicious files without any checks, paving the way for remote code execution.

What to do

This vulnerability means an attacker could create arbitrary files on your server, potentially leading to remote code execution. Imagine a thief sneaking into your kitchen, cooking up dangerous dishes that could take over your entire restaurant! If exploited, this could lead to devastating consequences, including data breaches or total server compromise. Immediately update the Form Maker plugin to version 1.15.20 or later to patch this critical vulnerability. It’s also wise to review your server’s permissions and audit existing files to ensure no unauthorized changes were made. Don’t forget to monitor for any suspicious activity! You’ve got this! Just take these steps, and you’ll have your site protected in no time. 🛡️

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
0.03781 · 89.9th percentile
Published
2023-10-16T19:39Z
EPSS history
Timeline
  • 16 OCT 19:39Z
    Form-Maker < 1.15.20 - Unauthenticated Arbitrary File Upload
    cvelistv5