MEDIUM 5.1 NVD
CVE-2026-123622
Usermin through 2.570 contains a cross-site scripting vulnerability in mailbox/detach.cgi that allows remote attackers to execute script by supplying an arbitra
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.
References
- https://github.com/webmin/usermin
- https://github.com/webmin/usermin/blob/2.570/mailbox/detach.cgi#L80-L83
- https://github.com/webmin/usermin/commit/c5c43b9ad04a60809ac2eb271bf8f3d0fec2e46a
- https://github.com/webmin/usermin/issues/142
- https://hackmd.io/@leediay/H144QKY6zl
This medium severity vulnerability with a CVSS score of 5.1 was published on 2026-11-06 via NVD.
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