CVE-2025-66512 (GCVE-0-2025-66512)
Vulnerability from cvelistv5
Published
2025-12-05 16:22
Modified
2025-12-05 20:05
Severity ?
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
CWE
  • CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)
Summary
Nextcloud Server is a self hosted personal cloud system. In Nextcloud Server and Server Enterprise prior to 31.0.12 and 32.0.3, a missing sanitization allowed malicious users to circumvent the content security policy when a malicious user manages to trick a user it viewing an uploaded SVG outside of the Nextcloud Servers web page.
References
Impacted products
Vendor Product Version
nextcloud security-advisories Version: >= 32.0.0beta1, < 32.0.3
Version: < 31.0.12
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