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.

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Fixes

Solution

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Workaround

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History

Fri, 06 Nov 2026 15:15:00 +0000

Type Values Removed Values Added
Description 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.
Title Usermin through 2.570 XSS via mailbox detach.cgi type Parameter
First Time appeared Webmin
Webmin usermin
Weaknesses CWE-79
CPEs cpe:2.3:a:webmin:usermin:*:*:*:*:*:*:*:*
Vendors & Products Webmin
Webmin usermin
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N'}

cvssV4_0

{'score': 5.1, 'vector': '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'}


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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-06T15:00:57.104Z

Reserved: 2026-11-06T01:04:42.202Z

Link: CVE-2026-123622

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-06T15:17:19.900

Modified: 2026-11-06T15:17:19.900

Link: CVE-2026-123622

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-06T16:45:05Z

Weaknesses