CVE-2023-38306

Name: CVE-2023-38306
Creator: NVD / NIST
Published: 2023-07-31T15:15:10.663+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.53%

Last modified Jun 17, 2026

CVE-2023-38306 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An issue was discovered in Webmin 2.021. A Cross-site Scripting (XSS) Bypass vulnerability was discovered in the file upload functionality. EPSS estimates a 0.53% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

6.1/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.53%

40.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Webmin	Webmin	2.021

References

https://github.com/jaysharma786/Webmin-2.021/blob/main/CVE-2023-38306Exploit, Third Party Advisory
https://webmin.com/tags/webmin-changelog/Release Notes
https://github.com/jaysharma786/Webmin-2.021/blob/main/CVE-2023-38306Exploit, Third Party Advisory
https://webmin.com/tags/webmin-changelog/Release Notes

Timeline

Published: Jul 31, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-38306?

How severe is CVE-2023-38306?

CVE-2023-38306 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.53% probability of exploitation in the next 30 days.

How do I fix CVE-2023-38306?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-38306?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST