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EUVD-2026-55670

🗓️ 10 Aug 2026 16:17:04Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 5 Views

Stored XSS in Discourse Rich Text Editor renders chat-transcript usernames as HTML before fixed versions.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-72730
10 Aug 202616:17
attackerkb
circl
Circl
CVE-2026-72730
10 Aug 202618:00
circl
cve
CVE
CVE-2026-72730
10 Aug 202616:17
cve
cvelist
Cvelist
CVE-2026-72730 Discourse: Stored XSS chat-transcript username unescaped in Rich Text Editor
10 Aug 202616:17
cvelist
nvd
NVD
CVE-2026-72730
10 Aug 202617:17
nvd
vulnrichment
Vulnrichment
CVE-2026-72730 Discourse: Stored XSS chat-transcript username unescaped in Rich Text Editor
10 Aug 202616:17
vulnrichment
[
  {
    "enisaIdVendor": [
      {
        "id": "6465a923-e6e7-31dc-bf1e-53ffd9de0ae0",
        "vendor": {
          "name": "discourse"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "a58d8fa6-5e7d-31fc-850a-1ea0f297322d",
        "product": {
          "name": "discourse",
          "vendor": {
            "name": "discourse"
          }
        },
        "product_version": "2026.5.0-latest, < 2026.5.2"
      },
      {
        "id": "cfebfd16-2ea5-30f1-82c1-18be063a456b",
        "product": {
          "name": "discourse",
          "vendor": {
            "name": "discourse"
          }
        },
        "product_version": "2026.6.0-latest, < 2026.6.1"
      },
      {
        "id": "fe31126d-189c-39d4-9ff9-7d302c717827",
        "product": {
          "name": "discourse",
          "vendor": {
            "name": "discourse"
          }
        },
        "product_version": "< 2026.1.6"
      }
    ]
  }
]

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10 Aug 2026 18:34Current
4.7Medium risk
Vulners AI Score4.7
CVSS 3.18.7
SSVC
5