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CVE-2026-73428 Trix: Stored XSS via HTMLParser attribute injection on paste

🗓️ 13 Aug 2026 22:04:19Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 33 Views

Trix before 2.1.18 allows stored XSS via javascript: URI injected through pasted HTML processing.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-73428
13 Aug 202622:04
attackerkb
cve
CVE
CVE-2026-73428
13 Aug 202622:04
cve
euvd
EUVD
EUVD-2026-58520
13 Aug 202622:04
euvd
github
Github Security Blog
Trix: Stored XSS via HTMLParser attribute injection on paste
24 Jul 202616:18
github
gitlab
GitLab Advisory Database
Trix: Stored XSS via HTMLParser attribute injection on paste
24 Jul 202600:00
gitlab
nvd
NVD
CVE-2026-73428
13 Aug 202622:17
nvd
osv
OSV
GHSA-53G2-MVCC-Q9X3 Trix: Stored XSS via HTMLParser attribute injection on paste
24 Jul 202616:18
osv
ptsecurity
Positive Technologies
PT-2026-71921
13 Aug 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-73428
14 Aug 202614:00
redhatcve
rubygems
RubySec
Stored XSS via HTMLParser attribute injection on paste
26 Mar 202600:00
rubygems
Rows per page
[
  {
    "vendor": "basecamp",
    "product": "trix",
    "versions": [
      {
        "version": "< 2.1.18",
        "status": "affected"
      }
    ]
  }
]

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13 Aug 2026 22:04Current
CVSS 3.14.6
EPSS0.00171
33