CVE-2025-67738CWE-78command-injection

CVE-2025-67738

High · published December 11, 2025

CVSS v3.1
8.5
EPSS
0%
Percentile
28.4
In the wild
Unconfirmed
What it is

⚡ A misquoted argument in Webmin’s Squid module can turn a small oversight into a big problem! Think of it like a recipe where the chef forgets to clearly specify the ingredient amounts. If the wrong measurements are used, the dish could turn out disastrous! An attacker with Cache Manager permissions can manipulate the arguments to gain unauthorized access, potentially leading to data exposure or modification. This vulnerability could severely compromise the integrity of your system, which is absolutely devastating!

Put simply

Think of it like a recipe where the chef forgets to clearly specify the ingredient amounts. If the wrong measurements are used, the dish could turn out disastrous! The vulnerability in squid/cachemgr.cgi allows improper quoting of arguments. If an untrusted party authenticates to Webmin with Cache Manager permissions, they can exploit this flaw to execute unauthorized commands.

What to do

An attacker with Cache Manager permissions can manipulate the arguments to gain unauthorized access, potentially leading to data exposure or modification. This vulnerability could severely compromise the integrity of your system, which is absolutely devastating! Update Webmin to version 2.600 or later to close this vulnerability. Also, review your Cache Manager permissions to limit access to trusted users only. Remember, a good security posture starts with the basics! You've got this! Follow these steps and your Webmin installation will be back to fortress-level security in no time! 🛡️

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00359 · 28.4th percentile
Weakness
CWE-78 · Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Published
2025-12-11T12:16Z
References (3)
EPSS history
Timeline
  • 11 DEC 06:34Z
    squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments
    cvelistv5