CVE-2026-123622

Usermin through 2.570 XSS via mailbox detach.cgi type Parameter

Published Nov 6, 2026 CVSS 4.0 · 5.1 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 11, 2026, 3:05 AM
Reserved
Nov 6, 2026, 1:04 AM
Status
Awaiting Analysis
Published
Nov 6, 2026, 3:17 PM
Modified
Nov 12, 2026, 9:30 PM