{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-123622","assignerOrgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","state":"PUBLISHED","assignerShortName":"VulnCheck","dateReserved":"2026-11-06T01:04:42.202Z","datePublished":"2026-11-06T15:00:57.104Z","dateUpdated":"2026-11-06T15:00:57.104Z"},"containers":{"cna":{"providerMetadata":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-11-06T15:00:57.104Z"},"datePublic":"2026-11-05T00:00:00.000Z","title":"Usermin through 2.570 XSS via mailbox detach.cgi type Parameter","descriptions":[{"lang":"en","value":"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."}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","cweId":"CWE-79","type":"CWE"}]}],"affected":[{"vendor":"webmin","product":"usermin","defaultStatus":"unaffected","versions":[{"version":"0","lessThanOrEqual":"2.570","status":"affected","versionType":"custom"}],"packageURL":"pkg:github/webmin/usermin"}],"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:webmin:usermin:*:*:*:*:*:*:*:*","versionEndIncluding":"2.570"}]}]}],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","vectorString":"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","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"ACTIVE","vulnConfidentialityImpact":"NONE","vulnIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"LOW","subAvailabilityImpact":"NONE","baseScore":5.1,"baseSeverity":"MEDIUM"}},{"format":"CVSS","cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"}}],"references":[{"url":"https://github.com/webmin/usermin/issues/142","tags":["issue-tracking"],"name":"GitHub Issue #142"},{"url":"https://github.com/webmin/usermin","tags":["product"]},{"url":"https://github.com/webmin/usermin/commit/c5c43b9ad04a60809ac2eb271bf8f3d0fec2e46a","name":"Fix commit c5c43b9","tags":["patch"]},{"url":"https://github.com/webmin/usermin/blob/2.570/mailbox/detach.cgi#L80-L83","name":"detach.cgi content type handling","tags":["technical-description"]},{"url":"https://hackmd.io/@leediay/H144QKY6zl","name":"Researcher write-up","tags":["technical-description"]},{"name":"VulnCheck Advisory: Usermin through 2.570 XSS via mailbox detach.cgi type Parameter","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/usermin-through-2.570-xss-via-mailbox-detach-cgi-type-parameter"}],"credits":[{"lang":"en","value":"leediay153 from Viettel Post","type":"finder"},{"lang":"en","value":"Ilia Ross (iliaross)","type":"remediation developer"}],"x_generator":{"engine":"vulncheck-endgame"}}}}