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CVE-2025-66512

🗓️ 05 Dec 2025 16:22:50Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 29 Views

Nextcloud Server SVG XSS when opened outside page due to sanitization missing before 31.0.12 and 32.0.3.

Related
Detection
Affected
Refs
NVD
Vulners
Node
nextcloudnextcloud_serverRange31.0.031.0.12-
OR
nextcloudnextcloud_serverRange31.0.031.0.12enterprise
OR
nextcloudnextcloud_serverRange32.0.032.0.3-
OR
nextcloudnextcloud_serverRange32.0.032.0.3enterprise
[
  {
    "vendor": "nextcloud",
    "product": "security-advisories",
    "versions": [
      {
        "version": ">= 32.0.0beta1, < 32.0.3",
        "status": "affected"
      },
      {
        "version": "< 31.0.12",
        "status": "affected"
      }
    ]
  }
]

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09 Dec 2025 16:38Current
6.2Medium risk
Vulners AI Score6.2
CVSS 3.15.4 - 6.1
EPSS0.00019
SSVC
29