CVE-2014-2054: ownCloud Server

High severity, CVSS 7.5. EPSS: 1.5% chance of exploitation in the next 30 days.

PHPExcel before 1.8.0, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, does not disable external entity loading in libxml, which allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an XML External Entity (XXE) attack.

Affected products

• ownCloud ownCloud Server: version 6.0.0 only; version 6.0.1 only; up to and including 5.0.14; version 5.0.0 only; version 5.0.1 only; version 5.0.2 only; …
• Phpexcel Project Phpexcel: up to and including 1.7.9

Published 2014-06-04. Last modified 2026-06-17.