Alkacon OpenCms tree_files.jsp resource XSS

Alkacon OpenCms tree_files.jsp resource XSS

Product: Alkacon OpenCms
http://www.opencms.org/

OpenCms contains a cross-site scripting vulnerability in the file tree navigation function. An
invalid value supplied to parameter resource in page
opencms/system/workplace/views/explorer/tree_files.jsp is not sanitized before it gets embedded in
the HTML output as part of a JavaScript comment.

Example:
http://(target)/opencms/opencms/system/workplace/views/explorer/tree_files.jsp?resource=+/+alert(document.cookie);+/+/

The vulnerability has been identified in version 7.0.3. However, other versions may be also
affected.

Solution:
Users should not browse untrusted sites while logged into OpenCms.

Found by:
nnposter