CVE-2012-5610: ownCloud

Medium severity, CVSS 6.5. EPSS: 2.2% chance of exploitation in the next 30 days.

Incomplete blacklist vulnerability in lib/filesystem.php in ownCloud before 4.0.9 and 4.5.x before 4.5.2 allows remote authenticated users to execute arbitrary PHP code by uploading a file with a special crafted name.

Affected products

• ownCloud ownCloud: up to and including 4.0.8
• ownCloud ownCloud Server: version 3.0.0 only; version 3.0.1 only; version 3.0.2 only; version 3.0.3 only; version 4.0.0 only; version 4.0.1 only; …

Published 2012-12-18. Last modified 2026-06-16.