CVE-2026-123622mediumCWE-79

CVE-2026-123622: medium-severity vulnerability in webmin usermin

Usermin through 2.570 XSS via mailbox detach.cgi type Parameter

Published

Follow this CVE+ Monitor usermin

E-mail alert when it lands in KEV, gets a public PoC or its score goes up.

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 5.1epss 0.3%
Usermin through 2.570 contains a cross-site scripting vulnerability in mailbox/detach.cgi that allows remote attackers to execute script by supplying an arbitrary type parameter that bypasses JavaScript filtering. Attackers can email an HTML attachment containing script and lure recipients to a detach.cgi link with type=text/html to run script in the victim's authenticated Usermin session.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Affected products
webmin · usermin
Related CVEs — webmin usermin

In the same product, most dangerous first.

CVE-2026-123620HIGHUsermin through 2.570 OS Command Injection via Read Mail IMAP Folder DeletionEPSS 1.4%CVE-2026-123621HIGHUsermin through 2.570 Path Traversal File Write via detachall.cgiEPSS 1.0%