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Secunia Research: DokuWiki "ns" Cross-Site Scripting Vulnerability

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                    Secunia Research 13/07/2012              

         - DokuWiki "ns" Cross-Site Scripting Vulnerability -

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Table of Contents

Affected Software....................................................1
Severity.............................................................2
Vendor's Description of Software.....................................3
Description of Vulnerability.........................................4
Solution.............................................................5
Time Table...........................................................6
Credits..............................................................7
References...........................................................8
About Secunia........................................................9
Verification........................................................10

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1) Affected Software

* DokuWiki version 2012-01-25a.

NOTE: Prior versions may also be affected.

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2) Severity 

Rating: Less critical
Impact: Cross-Site Scripting
Where:  From remote

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3) Vendor's Description of Software 

"DokuWiki is a standards compliant, simple to use Wiki, mainly aimed at 
creating documentation of any kind. It is targeted at developer teams, 
workgroups and small companies. It has a simple but powerful syntax 
which makes sure the datafiles remain readable outside the Wiki and 
eases the creation of structured texts. All data is stored in plain 
text files  no database is required."

Product Link:
http://www.dokuwiki.org

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4) Description of Vulnerability

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

Input passed to the "ns" POST parameter in lib/exe/ajax.php (when 
"call" is set to "medialist" and "do" is set to "media") is not 
properly sanitised within the "tpl_mediaFileList()" function in 
inc/template.php before being 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.

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5) Solution 

Update to version 2012-01-25b.

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6) Time Table 

07/07/2012 - Request for contact details.
07/07/2012 - Vendor response.
10/07/2012 - Vendor notified.
13/07/2002 - Vendor releases updates.
13/07/2012 - Public disclosure.

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7) Credits 

Discovered by Secunia Research.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has assigned 
CVE-2012-0283 for the vulnerability.

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9) About Secunia

Secunia offers vulnerability management solutions to corporate
customers with verified and reliable vulnerability intelligence
relevant to their specific system configuration:

http://secunia.com/advisories/business_solutions/

Secunia also provides a publicly accessible and comprehensive advisory
database as a service to the security community and private 
individuals, who are interested in or concerned about IT-security.

http://secunia.com/advisories/

Secunia believes that it is important to support the community and to
do active vulnerability research in order to aid improving the 
security and reliability of software in general:

http://secunia.com/secunia_research/

Secunia regularly hires new skilled team members. Check the URL below
to see currently vacant positions:

http://secunia.com/corporate/jobs/

Secunia offers a FREE mailing list called Secunia Security Advisories:

http://secunia.com/advisories/mailing_lists/

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10) Verification 

Please verify this advisory by visiting the Secunia website:
http://secunia.com/secunia_research/2012-24/

Complete list of vulnerability reports published by Secunia Research:
http://secunia.com/secunia_research/

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