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CVE-2025-66488

🗓️ 28 Jan 2026 18:15:52Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 6 Views

Discourse allows script execution in HTML/XML uploads on S3; fixed in later versions; restrict uploads.

Related
Detection
Affected
Refs
NVD
Vulners
Node
discoursediscourseRange<3.5.4stable
OR
discoursediscourseRange2025.11.02025.11.2stable
OR
discoursediscourseMatch2025.12.0stable
OR
discoursediscourseMatch2026.1.0stable
[
  {
    "vendor": "discourse",
    "product": "discourse",
    "versions": [
      {
        "version": "< 3.5.4",
        "status": "affected"
      },
      {
        "version": ">= 2025.11.0-latest, < 2025.11.2",
        "status": "affected"
      },
      {
        "version": ">= 2025.12.0-latest, < 2025.12.1",
        "status": "affected"
      },
      {
        "version": ">= 2026.1.0-latest, < 2026.1.0",
        "status": "affected"
      }
    ]
  }
]

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30 Jan 2026 20:31Current
5.7Medium risk
Vulners AI Score5.7
CVSS 3.14.6 - 6.1
EPSS0.00019
SSVC
6