Dokeos "img" Cross-Site Scripting Vulnerability

Sunday, 27 May 2007

Silentz has discovered a vulnerability in Dokeos, which can be exploited by malicious people to conduct cross-site scripting attacks.

Input passed to the "img" parameter in main/inc/lib/fckeditor/editor/plugins/ImageManager/editor.php is not properly sanitised before it is returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.

The vulnerability is confirmed in version 1.8.0. Other versions may also be affected.

Edit the source code to ensure that input is properly sanitised.

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