CVE-2026-49102

MEDIUM

Webmin < 2.640 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Title source: rule

Description

Webmin before 2.640 allows mailboxes/detach.cgi XSS via an SVG document attachment that is viewed in the mailboxes component, because image/svg+xml is used instead of a safe type (e.g., text/plain).

References (2)

Core 2

Core References

https://github.com/webmin/webmin/compare/2.630...2.640

https://github.com/webmin/webmin/commit/cf432879a14568c4bb44cd2f9e5a9bd0e168edc1

View Patch ZIP pw:eip

Scores

CVSS v3 6.1

EPSS 0.0015

EPSS Percentile 4.9%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation none

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (1)

Webmin/Webmin < 2.640

Published May 27, 2026

Tracked Since May 27, 2026