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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👁 33 Views

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

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-59710
6 Jul 202621:15
attackerkb
Circl
CVE-2026-59710
7 Jul 202600:49
circl
CVE
CVE-2026-59710
6 Jul 202621:15
cve
EUVD
EUVD-2026-41954
7 Jul 202600:30
euvd
NVD
CVE-2026-59710
6 Jul 202622:16
nvd
OSV
CVE-2026-59710 showdown - Stored XSS via Unescaped Table Header ID Attribute Injection
6 Jul 202621:15
osv
Positive Technologies
PT-2026-56029
6 Jul 202600:00
ptsecurity
RedhatCVE
CVE-2026-59710
8 Jul 202611:01
redhatcve
Snyk
Cross-site Scripting (XSS)
7 Jul 202600:33
snyk
Snyk
Cross-site Scripting (XSS)
7 Jul 202600:33
snyk
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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