What is CVE-2023-38306?

CVE-2023-38306 is a medium-severity vulnerability in Webmin, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-07-31.

How severe is CVE-2023-38306?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2023-38306 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Webmin

CVE-2023-38306

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.005 (41.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Webmin — versions 2.021
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

References

cve@mitre.org (Release Notes)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-38306?: CVE-2023-38306 is a medium-severity vulnerability in Webmin, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2023-07-31.
How severe is CVE-2023-38306?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2023-38306 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.