CVE-2012-4395: ownCloud

Medium severity, CVSS 4.3. EPSS: 1.9% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in index.php in ownCloud before 4.0.3 allows remote attackers to inject arbitrary web script or HTML via the redirect_url parameter.

Affected products

• ownCloud ownCloud: up to and including 4.0.2
• ownCloud ownCloud Server: version 3.0.0 only; version 3.0.1 only; version 3.0.2 only; version 4.0.0 only; version 4.0.1 only

Published 2012-09-05. Last modified 2026-06-16.