CVE-2023-38306: Webmin

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

An issue was discovered in Webmin 2.021. A Cross-site Scripting (XSS) Bypass vulnerability was discovered in the file upload functionality. Normally, the application restricts the upload of certain file types such as .svg, .php, etc., and displays an error message if a prohibited file type is detected. However, by following certain steps, an attacker can bypass these restrictions and inject malicious code.

Affected products

• Webmin Webmin: version 2.021 only

Published 2023-07-31. Last modified 2026-06-17.