CVE-2023-26686

File Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via the image upload feature when customizing a shop

Critical · published September 24, 2024

CVSS v3.1
9.8
EPSS
1%
Percentile
53.0
In the wild
Unconfirmed
What it is

🚨 A crafty file upload flaw in CS-Cart MultiVendor 4.16.1 lets attackers run arbitrary code with just a seemingly innocent image! 🔥 Think of it like a restaurant allowing customers to decorate their tables with whatever they want. If they let in a hidden message on a napkin that turns out to be a secret recipe, anyone could access the kitchen's inner workings! This vulnerability opens the floodgates for attackers to execute harmful code on your server, potentially leading to data leaks, unauthorized access, or even complete takeover. If exploited, it could be devastating for your online shop, compromising customer trust and your business's integrity.

Put simply

Think of it like a restaurant allowing customers to decorate their tables with whatever they want. If they let in a hidden message on a napkin that turns out to be a secret recipe, anyone could access the kitchen's inner workings! The CS-Cart MultiVendor 4.16.1 vulnerability allows remote attackers to bypass security checks through the image upload feature, enabling them to execute malicious code by uploading crafted files disguised as harmless images.

What to do

This vulnerability opens the floodgates for attackers to execute harmful code on your server, potentially leading to data leaks, unauthorized access, or even complete takeover. If exploited, it could be devastating for your online shop, compromising customer trust and your business's integrity. Immediately patch your CS-Cart MultiVendor to version 4.16.2 or later. Additionally, implement strict validation checks on uploaded files and consider restricting allowed file types to prevent this type of exploit in the future. You've got this! With these steps, you can safeguard your shop and keep those bad actors at bay! 🛡️

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
0.00711 · 53.0th percentile
Published
2024-09-24T00:00Z
EPSS history
Timeline
  • 24 SEP 00:00Z
    File Upload vulnerability in CS-Cart MultiVendor 4.16.1 allows remote attackers to run arbitrary code via the image upload feature when customizing a shop
    cvelistv5