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CVE-2025-66512 Nextcloud Server vulnerable to XSS in SVG images when opened outside of Nextcloud

🗓️ 05 Dec 2025 16:22:50Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 16 Views

CVE-2025-66512: Nextcloud Server SVG XSS when opened outside Nextcloud due to missing sanitization prior to 31.0.12 and 32.0.3.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
Circl
CVE-2025-66512
5 Dec 202514:50
circl
CNNVD
Nextcloud Server 安全漏洞
5 Dec 202500:00
cnnvd
CVE
CVE-2025-66512
5 Dec 202516:22
cve
EUVD
EUVD-2025-201449
5 Dec 202516:22
euvd
Fedora
[SECURITY] Fedora 43 Update: nextcloud-32.0.3-1.fc43
21 Dec 202503:53
fedora
Fedora
[SECURITY] Fedora 42 Update: nextcloud-32.0.3-1.fc42
21 Dec 202500:51
fedora
Tenable Nessus
Fedora 42 : nextcloud (2025-519240c972)
21 Dec 202500:00
nessus
Tenable Nessus
Fedora 43 : nextcloud (2025-86c0829159)
21 Dec 202500:00
nessus
Nextcloud
XSS in SVG images when opened outside of Nextcloud
5 Dec 202508:07
nextcloud
Hacker One
Nextcloud: Stored XSS Vulnerability via SVG File
25 Sep 202513:00
hackerone
Rows per page
[
  {
    "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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