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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.006 (46.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 47th percentile — 46.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Webmin — versions 2.021
Weakness classification (CWE)
Public proof-of-concept exploits
References
- webmin.com/tags/webmin-changelog/ (Release Notes)
- github.com/jaysharma786/Webmin-2.021/blob/main/CVE-2023-38306 (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.