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Secunia Research: Pligg CMS Six Cross-Site Scripting Vulnerabilities

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                    Secunia Research 21/05/2012              

      - Pligg CMS Six Cross-Site Scripting Vulnerabilities -

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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

* Pligg CMS 1.2.1.

NOTE: Other 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 

"Pligg is an open source CMS (Content Management System) that you can
download and use for free. Pligg CMS provides social publishing 
software that encourages visitors to register on your website so that 
they can submit content and connect with other users."

Product Link:
http://pligg.com/

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4) Description of Vulnerability

Secunia Research has discovered multiple vulnerabilities in Pligg CMS, 
which can be exploited by malicious people to conduct cross-site 
scripting attacks.

1) Input passed to the "user" and "page" parameters in 
admin/admin_comments.php and admin/admin_links.php is not properly 
sanitised 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.

2) Input passed to the "list" parameter in admin/admin_index.php 
(when "action" is set to "move" or "minimize") is not properly 
sanitised 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.

3) Input passed to the "karma_username" POST parameter in module.php 
(when "module" is set to "karma" , "submit" is set to "Submit", and 
"karma_value" is set) is not properly sanitised in 
modules/karma/karma_main.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 1.2.2.

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6) Time Table 

11/05/2012 - Vendor notified. 
16/05/2012 - Vendor response.
21/05/2012 - Vendor releases updates.
21/05/2012 - Public disclosure.

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7) Credits 

Discovered by Kasper Lindgaard, Secunia.

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8) References

The Common Vulnerabilities and Exposures (CVE) project has not 
currently assigned a CVE identifier 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/2012-18/

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

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