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Product: WooCommerce WordPress plugin
Vendor: WooThemes
Tested Version: 2.2.10
Vulnerability Type: Cross-Site Scripting [CWE-79]
Risk Level: Medium
CVSSv2 Base Score: 4.3 (AV:N/AC:M/Au:N/C:N/I:P/A:N)
Solution Status: Solved in version 2.2.11
Discovered and Provided: Eric Flokstra - ITsec Security Services
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[-] About the Vendor:

WooCommerce is a popular open source WordPress e-commerce plugin with 
around 6.2 million downloads.It is built by WooThemes and designed for 
small to large-sized online merchants.

[-] Advisory Details:

The WooCommerce plugin gives users the ability to see their stores 
performance from month to month using graphs and stats. However 
insufficient validation on the request retrieving the reports is 
performed, enabling remote execution of arbitrary scripting code in the 
target's web browser. This scripting code will be executed within the 
security context of the WordPress admin panel.

[-] Proof of Concept:

http://example.com/wordpress/wp-admin/admin.php?page=wc-reports&"><script>alert('ITsec')</script 
<http://example.com/wordpress/wp-admin/admin.php?page=wc-reports&%E2%80%9D%3e%3cscript%3ealert%28%27ITsec%27%29%3c/script>> 


[-] Disclosure Timeline:

[28 Jan 2015]: Vendor notification
[29 Jan 2015]: Vulnerability confirmation
[29 Jan 2015]: Vulnerability patched
[19 Feb 2015]: Public disclosure

[-] Solution:

Update to version 2.2.11.

[-] References:

[1] WooCommerce Changelog -- 
https://wordpress.org/plugins/woocommerce/changelog/
[2] Common Vulnerabilities and Exposures (CVE) -- http://cve.mitre.org
[3] Common Weakness Enumeration (CWE) -- http://cwe.mitre.org
[4] ITsec Security Services BV -- http://www.itsec.nl

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