CVE-2025-66022CWE-287CWE-829CWE-862broken-access-control

CVE-2025-66022

Critical · published November 26, 2025

CVSS v3.1
9.6
EPSS
1%
Percentile
51.6
In the wild
Unconfirmed
What it is

🚨 A missing authentication check lets anyone with an internet connection execute their own commands on your server! 🔥 Imagine a restaurant where anyone can walk into the kitchen and start cooking without any checks—chaos and disaster are just a spoonful away! 🍽️ In this mind-blowingly simple exploit, an attacker can upload a malicious extension that runs arbitrary commands. This could lead to total server compromise, exposing sensitive data or even taking down critical services. It's an absolute disaster waiting to happen! ⚡

Put simply

Imagine a restaurant where anyone can walk into the kitchen and start cooking without any checks—chaos and disaster are just a spoonful away! 🍽️ This vulnerability in Faction's extension framework allows unauthenticated users to access the extension management UI and execute arbitrary system commands through crafted extensions, ultimately leading to remote code execution (RCE).

What to do

In this mind-blowingly simple exploit, an attacker can upload a malicious extension that runs arbitrary commands. This could lead to total server compromise, exposing sensitive data or even taking down critical services. It's an absolute disaster waiting to happen! ⚡ Immediate action is essential! Upgrade to version 1.7.1 to close this critical vulnerability. Additionally, review your extension permissions and consider implementing stricter authentication measures for sensitive endpoints. 🛡️ You've got this! Follow these steps, and you'll have your system secured in no time! 💪✨

The record
Technical detail
CVSS v3.1
9.6 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00675 · 51.6th percentile
Weaknesses
CWE-287 · Improper Authentication; CWE-829 · Inclusion of Functionality from Untrusted Control Sphere; CWE-862 · Missing Authorization
Published
2025-11-26T08:15Z
Affected products (1)
ProductVersionsFixed in
owasp/faction< 1.7.11.7.1
References (3)
EPSS history
Timeline
  • 26 NOV 02:08Z
    FACTION Unauthenticated Custom Extension Upload leads to RCE
    cvelistv5