XSS in Webmin
CVE-2017-15646
Webmin before 1.860 has XSS with resultant remote code execution. Under the 'Others/File Manager' menu, there is a 'Download from remote URL' option to download a file from a remote server. After setting up a malicious server, one can wait for a file download request and then send an XSS payload that will lead to Remote Code Execution, as demonstrated by an OS command in the value attribute of a name='cmd' input element.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.048 (91.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 92nd percentile — 91.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.048 · newest: 0.048 · change: 0.000
Affected products
Weakness classification (CWE)
References
- www.webmin.com/security.html (Vendor Advisory)
- github.com/webmin/webmin/commit/0c58892732ee7610a7abba5507614366d382c9c9 (Patch, Third Party Advisory)
- blogs.securiteam.com/index.php/archives/3430 (Exploit, Third Party Advisory)
- www.webmin.com/changes.html (Release Notes, Vendor Advisory)
Frequently asked questions
- What is CVE-2017-15646?
- CVE-2017-15646 is a medium-severity vulnerability in Webmin, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2017-10-19.
- How severe is CVE-2017-15646?
- Medium severity. CVSS v3 base score is 6.1 out of 10.