{"id":"CVE-2026-123622","title":"Usermin through 2.570 XSS via mailbox detach.cgi type Parameter","summary":"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 …","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-79"],"vendor":"webmin","product":"usermin","affected":["usermin <= 2.570"],"published":"2026-11-06","updated":"2026-11-06","sourceUpdated":"2026-11-06T15:00:57.104Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-123622","references":[{"url":"https://github.com/webmin/usermin/issues/142","label":"GitHub Issue #142"},{"url":"https://github.com/webmin/usermin"},{"url":"https://github.com/webmin/usermin/commit/c5c43b9ad04a60809ac2eb271bf8f3d0fec2e46a","label":"Fix commit c5c43b9"},{"url":"https://github.com/webmin/usermin/blob/2.570/mailbox/detach.cgi#L80-L83","label":"detach.cgi content type handling"},{"url":"https://hackmd.io/@leediay/H144QKY6zl","label":"Researcher write-up"},{"url":"https://www.vulncheck.com/advisories/usermin-through-2.570-xss-via-mailbox-detach-cgi-type-parameter","label":"VulnCheck Advisory: Usermin through 2.570 XSS via mailbox detach.cgi type Parameter"}],"tags":["cve.org"],"ingestedAt":"2026-11-06T15:54:04.078Z","epss":0.00259,"epssPercentile":0.17731,"slug":"CVE-2026-123622","body":"## Overview\n\nUsermin 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.\n\n## Affected\n\n- `usermin <= 2.570`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}