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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👁 25 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
MINI-H3GM-H7GH-57CF
10 Mar 202615:15
osv
osv
OSV
MINI-H4XX-HGC3-V5F7
13 Mar 202610:45
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OSV
MINI-H6MC-JHWF-4W52
13 Mar 202613:08
osv
osv
OSV
MINI-H9CQ-8W98-H86V
13 Mar 202613:07
osv
osv
OSV
MINI-HC4M-MGQV-P8J5
10 Mar 202615:45
osv
osv
OSV
MINI-HCH7-2WC3-WFJM
14 Mar 202602:18
osv
osv
OSV
MINI-HCR4-VRW8-4Q54
14 Mar 202608:37
osv
osv
OSV
MINI-HG64-2P9X-M7H2
13 Mar 202610:45
osv
osv
OSV
MINI-HHHX-85P6-87WC
10 Mar 202620:15
osv
osv
OSV
MINI-HJ35-83VQ-V7JF
13 Mar 202613:08
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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