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Multiple XSS vulnerabilities

Platform: ownCloud Server

Versions: 4.0.8,

Date: 8/10/2012

Risk level: Medium


Multiple cross-site scripting (XSS) vulnerabilities in ownCloud before 4.0.8 allow remote attackers to inject arbitrary web script or HTML via

  • the readyCallback parameter to PUT.swf in apps/files_odfviewer/src/webodf/webodf/flashput/
  • the root parameter to index.php in apps/gallery/templates/
  • a malformed query to db.php in lib/

Affected Software

  • ownCloud Server < 4.0.8 (CVE-2012-5056)

Action Taken

It is recommended that all instances are upgraded to ownCloud Server 4.0.8.


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

  • Emanuel Bronshtein – Vulnerability discovery and disclosure.
  • Nico Golde – Vulnerability discovery and disclosure.

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