What is CVE-2018-19191?

CVE-2018-19191 is a medium-severity vulnerability in Webmin, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-03-21.

How severe is CVE-2018-19191?

Medium severity. CVSS v3 base score is 5.4 out of 10.

XSS in Webmin

CVE-2018-19191

Webmin 1.890 has XSS via /config.cgi?webmin, the /shell/index.cgi history parameter, /shell/index.cgi?stripped=1, or the /webminlog/search.cgi uall or mall parameter.

Vulnerability class: XSS (Cross-Site Scripting)

Published 2019-03-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.391 (98.5th percentile), scored 2026-09-27.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 99th percentile — 98.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.391 · newest: 0.391 · change: 0.000

Affected products

Webmin — versions 1.890

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

packetstormsecurity.com/files/151144/Webmin-1.890-Cross-Site-Scripting.html (Exploit, VDB Entry, Third Party Advisory)
www.webmin.com/index.html (Product)

Frequently asked questions

What is CVE-2018-19191?: CVE-2018-19191 is a medium-severity vulnerability in Webmin, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2019-03-21.
How severe is CVE-2018-19191?: Medium severity. CVSS v3 base score is 5.4 out of 10.