PHPShop 0.8.1 <= | Cross Site Scripting Vulnerability

By YGN Ethical Hacker Group -


1. OVERVIEW

The PHPShop 0.8.1 and lower versions are currently vulnerable to Cross Site Scripting.


2. BACKGROUND

PHPShop is a PHP-powered shopping cart application. It is released under the GNU General Public License.
The primary purpose of PHPShop is to provide a simple shopping cart solution that is easy to customize to suit any purpose. PHPShop has less features that many other shopping cart applications, but is generally easier to customize.


3. VULNERABILITY DESCRIPTION

The "re" parameter was not properly sanitized upon submission to the /bb-login.php url, which allows attacker to conduct Cross Site Scripting attack. This may allow an attacker to create a specially crafted URL that would execute arbitrary script code in a victim's browser.


4. VERSIONS AFFECTED

PHP 0.8.1 <=


5. PROOF-OF-CONCEPT/EXPLOIT

http://localhost/phpshop0_8_1/?page=store/XSS&%26%26%22%3E%3Cscript%3Ealert%28/xss/%29%3C/script%3E%3d1


6. SOLUTION

The vendor has discontinued this product.
It is recommended that an alternate software package be used in its place.


7. VENDOR

PHPShop Development Team
http://phpshop.org


8. CREDIT

This vulnerability was discovered by Aung Khant, http://yehg.net, YGN Ethical Hacker Group, Myanmar.


9. DISCLOSURE TIME-LINE

2011-02-25: vulnerability disclosed


10. REFERENCES

Original Advisory URL: http://yehg.net/lab/pr0js/advisories/[phpshop_0.8.1]_cross_site_scripting
Project Home: http://code.google.com/p/phpshop/, http://sourceforge.net/projects/phpshop/
PHPShop Download Stats: http://sourceforge.net/projects/phpshop/files/phpshop/0.8.1/stats/timeline?dates=2010-01-01+to+2011-01-01
XSS (owasp): http://www.owasp.org/index.php/Cross-site_Scripting_(XSS)
CWE-79: http://cwe.mitre.org/data/definitions/79.html

#last-updated: 2011-03-04

#yehg [2011-02-25]

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