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CVE-2026-27142 URLs in meta content attribute actions are not escaped in html/template

🗓️ 06 Mar 2026 21:28:14Reported by GoType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

URLs in meta content attributes are not escaped, enabling XSS with refresh; GODEBUG setting htmlmetacontenturlescape=0 disables escaping.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
osv
OSV
CGA-43W9-Q882-7M29
10 Mar 202612:14
osv
osv
OSV
CGA-43WP-VPR3-H43V
10 Mar 202613:12
osv
osv
OSV
CGA-43XQ-7P7P-34MQ
10 Mar 202610:12
osv
osv
OSV
CGA-4424-JPP3-FWCR
10 Mar 202611:38
osv
osv
OSV
CGA-4429-2X4F-C49Q
10 Mar 202611:33
osv
osv
OSV
CGA-442C-H684-448R
10 Mar 202612:16
osv
osv
OSV
CGA-4456-JR9J-FFXC
10 Mar 202610:04
osv
osv
OSV
CGA-4469-4CWF-MM7Q
10 Mar 202613:21
osv
osv
OSV
CGA-4475-266R-MW75
10 Mar 202612:14
osv
osv
OSV
CGA-449J-HV5H-HX3Q
10 Mar 202611:50
osv
Rows per page
[
  {
    "vendor": "Go standard library",
    "product": "html/template",
    "collectionURL": "https://pkg.go.dev",
    "packageName": "html/template",
    "versions": [
      {
        "version": "0",
        "lessThan": "1.25.8",
        "status": "affected",
        "versionType": "semver"
      },
      {
        "version": "1.26.0-0",
        "lessThan": "1.26.1",
        "status": "affected",
        "versionType": "semver"
      }
    ],
    "programRoutines": [
      {
        "name": "tTag"
      },
      {
        "name": "escaper.escapeAction"
      },
      {
        "name": "Template.Execute"
      },
      {
        "name": "Template.ExecuteTemplate"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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