CVE-2023-47873CWE-434

WordPress WP Child Theme Generator plugin <= 1.0.9 - Arbitrary File Upload vulnerability

Critical · published March 26, 2024

CVSS v3.1
9.1
EPSS
2%
Percentile
83.0
In the wild
Unconfirmed
What it is

🚨 A dangerous gap lets you upload any file type, straight into your site! This CVE-2023-47873 vulnerability in the WP Child Theme Generator is a serious risk you can't ignore! 🔥 Think of it like a restaurant that lets patrons bring in their own takeout without checking the food first — you could end up with something harmful in the kitchen, like an expired dish hidden among the fresh. 🍽️ An attacker could exploit this vulnerability to upload malicious files, potentially compromising the entire server. With unrestricted access, they could plant backdoors, steal sensitive data, or take full control of your site — absolutely devastating!

Put simply

Think of it like a restaurant that lets patrons bring in their own takeout without checking the food first — you could end up with something harmful in the kitchen, like an expired dish hidden among the fresh. 🍽️ This unrestricted file upload vulnerability occurs in the WP Child Theme Generator, allowing attackers to upload files without proper validation. Versions from n/a through 1.0.9 are affected, making it a ticking time bomb for any site using this theme generator.

What to do

An attacker could exploit this vulnerability to upload malicious files, potentially compromising the entire server. With unrestricted access, they could plant backdoors, steal sensitive data, or take full control of your site — absolutely devastating! To mitigate this risk, immediately update WP Child Theme Generator to version 1.0.10 or later. Additionally, implement checks to validate file types and restrict uploads to only safe types to ensure bad files can't slip through. You've got this! Follow these steps and you'll secure your site in no time! 🛡️

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.02276 · 83.0th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2024-03-26T20:34Z
EPSS history
Timeline
  • 26 MAR 20:34Z
    WordPress WP Child Theme Generator plugin <= 1.0.9 - Arbitrary File Upload vulnerability
    cvelistv5