---
id: CVE-2025-67738
title: squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments
summary: >-
  squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments.
  This is relevant if Webmin's Squid module and its Cache Manager feature are
  available, and an untrusted party is able to authenticate to Webmin and has
  certain …
severity: high
cvss: 8.5
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-78
published: '2025-12-11'
updated: '2026-10-14'
sourceUpdated: '2026-10-14T21:10:00.183'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-67738'
references:
  - url: >-
      https://github.com/webmin/webmin/commit/1a52bf4d72f9da6d79250c66e51f41c6f5b880ee
    label: cve@mitre.org
  - url: 'https://github.com/webmin/webmin/compare/2.520...2.600'
    label: cve@mitre.org
  - url: >-
      https://webmin.com/security/#privilige-escalation-using-squid-module-cve-2025-67738
    label: cve@mitre.org
tags:
  - nvd
epss: 0.00359
epssPercentile: 0.2794
ingestedAt: '2026-10-14T21:57:04.797Z'
---

## Overview

squid/cachemgr.cgi in Webmin before 2.600 does not properly quote arguments. This is relevant if Webmin's Squid module and its Cache Manager feature are available, and an untrusted party is able to authenticate to Webmin and has certain Cache Manager permissions (the "cms" security option).

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.