PHPDocX, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an XML External Entity (XXE) attack.

ownCloud Server before 5.0.16 and 6.0.x before 6.0.3 does not check permissions to the files_external application, which allows remote authenticated users to add external storage via unspecified vectors.

SabreDAV before 1.7.11, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an XML External Entity (XXE) attack.

ownCloud Server before 5.0.16 and 6.0.x before 6.0.3 does not properly check permissions, which allows remote authenticated users to read the names of files of other users by leveraging access to multiple accounts.

getID3() before 1.9.8, as used in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2, allows remote attackers to read arbitrary files, cause a denial of service, or possibly have other impact via an XML External Entity (XXE) attack.

Multiple cross-site scripting (XSS) vulnerabilities in the (1) Gallery and (2) core components in ownCloud Server before 5.016 and 6.0.x before 6.0.3 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors, possibly related to the print_unescaped function.

ownCloud before 5.0.15 and 6.x before 6.0.2, when the file_external app is enabled, allows remote authenticated users to mount the local filesystem in the user's ownCloud via the mount configuration.

Multiple cross-site scripting (XSS) vulnerabilities in ownCloud before 6.0.2 allow remote attackers to inject arbitrary web script or HTML via unspecified vectors.