Security Advisory

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XSS vulnerability in bookmarks (oC-SA-2012-007)

20th December 2012

Risk level: Medium


A cross-site scripting (XSS) vulnerability in ownCloud before 4.5.5 and 4.0.10 allow remote attackers to inject arbitrary web script or HTML via the PATH data to index.php in apps/bookmark/

Affected Software

  • ownCloud Server < 4.5.5 (CVE-2013-5666)
  • ownCloud Server < 4.0.10 (CVE-2013-5666)

Action Taken

It is recommended that all instances are upgraded to ownCloud Server 4.5.5 or 4.0.10.


The ownCloud team thanks the following people for their research and responsible disclosure of the above advisory:

  • Yuji Kosuga - Vulnerability discovery and disclosure.