The CSRF (Cross Site Request Forgery) token check was improperly implemented on cookie authenticated requests against some ocs API endpoints. This affects ownCloud/core version < 10.6.
owncloud
Vendor: owncloud
Security Vulnerability Index
Page 2 / 53ownCloud (Core) before 10.5 allows XSS in login page 'forgot password.'
The fetch function in OAuth/Curl.php in Dropbox-PHP, as used in ownCloud Server before 6.0.8, 7.x before 7.0.6, and 8.x before 8.0.4 when an external Dropbox storage has been mounted, allows remote administrators of Dropbox.com to read arbitrary files via an @ (at sign) character in unspecified POST values.
Zend Framework, 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.
Cross-site request forgery (CSRF) vulnerability in ownCloud Server before 5.0.15 and 6.0.x before 6.0.2 allows remote attackers to hijack the authentication of users for requests that reset passwords via a crafted HTTP Host header.
Multiple cross-site scripting (XSS) vulnerabilities in ownCloud 4.5.5, 4.0.10, and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) unspecified parameters to apps/calendar/ajax/event/new.php or (2) url parameter to apps/bookmarks/ajax/addBookmark.php.
The user_openid app in ownCloud Server before 5.0.15 allows remote attackers to obtain access by leveraging an insecure OpenID implementation.
Cross-site scripting (XSS) vulnerability in ownCloud before 6.0.1 allows remote authenticated users to inject arbitrary web script or HTML via the filename of an uploaded file.
An attacker is logged in as a normal user and can somehow make admin to delete shared folders in ownCloud Server before 10.0.2.
A logical error in ownCloud Server before 10.0.2 caused disclosure of valid share tokens for public calendars. Thus granting an attacker potentially access to publicly shared calendars without knowing the share token.