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CVE-2026-41591 Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping

🗓️ 08 May 2026 15:22:50Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 32 Views

Marko XSS via case-insensitive closing tag in script or style; fixed in Marko 5.38.36 and runtime-tags 6.0.164.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-41591
8 May 202615:22
attackerkb
Circl
CVE-2026-41591
18 Apr 202600:29
circl
CNNVD
marko 跨站脚本漏洞
8 May 202600:00
cnnvd
CVE
CVE-2026-41591
8 May 202615:22
cve
Github Security Blog
Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping
22 Apr 202619:55
github
NVD
CVE-2026-41591
8 May 202616:16
nvd
OSV
GHSA-X9FJ-57FH-C8WQ Marko: XSS via case-insensitive script/style closing tag bypass in runtime HTML escaping
22 Apr 202619:55
osv
Positive Technologies
PT-2026-34608
22 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-41591
5 Jun 202619:36
redhatcve
Snyk
Cross-site Scripting (XSS)
22 Apr 202619:55
snyk
Rows per page
[
  {
    "vendor": "marko-js",
    "product": "marko",
    "versions": [
      {
        "version": "marko < 5.38.36",
        "status": "affected"
      },
      {
        "version": "@marko/runtime-tags < 6.0.164",
        "status": "affected"
      }
    ]
  }
]

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