showdown - Cross-Site Scripting via Unescaped Metadata Title in completeHTMLDocument

These records connect through source-stated identifiers. Shared identifiers or dates alone do not establish shared exposure, root cause or applicability.

CVE-2026-59711 · Microsoft / collected KEV context

EUVD-2026-41948

GHSA-cr32-g25g-vxjj

cve-program · CVE-2026-59711

• https://github.com/showdownjs/showdown/issues/1047
• https://github.com/showdownjs/showdown
• https://www.vulncheck.com/advisories/showdown-cross-site-scripting-via-unescaped-metadata-title-in-completehtmldocument

euvd · EUVD-2026-41948

• https://github.com/showdownjs/showdown/issues/1047
• https://github.com/showdownjs/showdown
• https://www.vulncheck.com/advisories/showdown-cross-site-scripting-via-unescaped-metadata-title-in-completehtmldocument

nvd · CVE-2026-59711

• https://github.com/showdownjs/showdown
• https://github.com/showdownjs/showdown/issues/1047
• https://www.vulncheck.com/advisories/showdown-cross-site-scripting-via-unescaped-metadata-title-in-completehtmldocument

osv · GHSA-cr32-g25g-vxjj

• https://nvd.nist.gov/vuln/detail/CVE-2026-59711
• https://github.com/showdownjs/showdown/issues/1047
• https://github.com/showdownjs/showdown/commit/184a3e4e97f90e075c4512f2c4c06dcf655e91b7
• https://github.com/showdownjs/showdown
• https://www.vulncheck.com/advisories/showdown-cross-site-scripting-via-unescaped-metadata-title-in-completehtmldocument

No related operational record is retained in the current change model.