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EUVD-2026-64653

🗓️ 23 Aug 2026 15:33:04Reported by EUVDType 
euvd
 euvd
🔗 euvd.enisa.europa.eu👁 4 Views

XSS in justhtml before 1.13.0 via backticks in pre elements breaking code fences in to_markdown().

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-5389
23 Aug 202613:34
cve
cvelist
Cvelist
CVE-2026-5389 justhtml before 1.13.0 XSS via code fence breakout
23 Aug 202613:34
cvelist
nvd
NVD
CVE-2026-5389
23 Aug 202614:16
nvd
ptsecurity
Positive Technologies
PT-2026-79770
23 Aug 202600:00
ptsecurity
[
  {
    "enisaIdVendor": [
      {
        "id": "44b8d617-ec1c-3621-a557-4f3d6df13382",
        "vendor": {
          "name": "EmilStenstrom"
        }
      }
    ],
    "enisaIdProduct": [
      {
        "id": "3aa053be-792f-32f3-869d-01ed8a2023b8",
        "product": {
          "name": "justhtml",
          "vendor": {
            "name": "EmilStenstrom"
          }
        },
        "product_version": "0 <1.13.0"
      }
    ]
  }
]

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23 Aug 2026 15:33Current
5.3Medium risk
Vulners AI Score5.3
CVSS 45.1
CVSS 3.16.1
4