unsticky has discovered a vulnerability in DokuWiki, which can be exploited by malicious people to bypass certain restrictions.
Input passed to the "media" parameter in lib/exe/fetch.php is not properly sanitised before being used. This can be exploited to bypass certain restrictions via CRLF character sequences and inject arbitrary HTTP headers and HTTP body data in a request.
Successful exploitation e.g. makes it possible to conduct cross-site scripting attacks.
The vulnerability is confirmed in version 2006-03-09e. Other versions may also be affected.
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