Maartenba

**Name of the Vulnerable Software and Affected Versions** PHPExcel versions prior to 1.8.0 ownCloud Server versions prior to 5.0.15 ownCloud Server versions 6.0.x prior to 6.0.2 **Description** The issue allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an XML External Entity (XXE) attack, due to the failure to disable external entity loading in libxml. **Recommendations** For PHPExcel versions prior to 1.8.0, update to version 1.8.0 or later. For ownCloud Server versions prior to 5.0.15, update to version 5.0.15 or later. For ownCloud Server versions 6.0.x prior to 6.0.2, update to version 6.0.2 or later.