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CVE-2026-59710 showdown - Stored XSS via Unescaped Table Header ID Attribute Injection

🗓️ 06 Jul 2026 21:15:45Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 41 Views

Stored cross-site scripting in showdown due to unescaped table header ID attributes in parseHeaders.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-59710
6 Jul 202621:15
attackerkb
circl
Circl
CVE-2026-59710
7 Jul 202600:49
circl
cve
CVE
CVE-2026-59710
6 Jul 202621:15
cve
euvd
EUVD
EUVD-2026-41954
7 Jul 202600:30
euvd
github
Github Security Blog
showdown allows stored cross-site scripting through table header ID injection
7 Jul 202600:30
github
nvd
NVD
CVE-2026-59710
6 Jul 202622:16
nvd
osv
OSV
GHSA-22G5-R2X5-97CX showdown allows stored cross-site scripting through table header ID injection
7 Jul 202600:30
osv
osv
OSV
MINI-2FHH-8M2V-F3VV
8 Aug 202613:07
osv
osv
OSV
MINI-4RMR-2742-MPF5
8 Aug 202613:07
osv
osv
OSV
MINI-H37W-3G9V-9G8Q
8 Aug 202613:34
osv
Rows per page
[
  {
    "vendor": "showdown",
    "product": "showdown",
    "defaultStatus": "unaffected",
    "packageURL": "pkg:npm/showdown",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "versionType": "semver",
        "lessThanOrEqual": "2.1.0"
      }
    ]
  }
]

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