diff --git a/addons/product/product.py b/addons/product/product.py
index f82b13fb134..4e158e8e7f6 100644
--- a/addons/product/product.py
+++ b/addons/product/product.py
@@ -23,6 +23,7 @@ import math
 import re
 
 from _common import rounding
+from openerp import SUPERUSER_ID
 
 from openerp import tools
 from openerp.osv import osv, fields
@@ -735,8 +736,13 @@ class product_product(osv.osv):
 
         partner_id = context.get('partner_id', False)
 
+        # all user don't have access to seller and partner
+        # check access and use superuser
+        self.check_access_rights(cr, user, "read")
+        self.check_access_rule(cr, user, ids, "read", context=context)
+
         result = []
-        for product in self.browse(cr, user, ids, context=context):
+        for product in self.browse(cr, SUPERUSER_ID, ids, context=context):
             sellers = filter(lambda x: x.name.id == partner_id, product.seller_ids)
             if sellers:
                 for s in sellers:
diff --git a/addons/website_sale/__openerp__.py b/addons/website_sale/__openerp__.py
index 748fa3a4152..08257226777 100644
--- a/addons/website_sale/__openerp__.py
+++ b/addons/website_sale/__openerp__.py
@@ -9,7 +9,7 @@ OpenERP E-Commerce
 
         """,
     'author': 'OpenERP SA',
-    'depends': ['website', 'sale', 'product', 'payment_acquirer'],
+    'depends': ['website', 'sale', 'payment_acquirer'],
     'data': [
         'data/website_sale_data.xml',
         'views/website_sale.xml',
diff --git a/addons/website_sale/security/ir.model.access.csv b/addons/website_sale/security/ir.model.access.csv
index a64fc2cde73..8b3318af094 100644
--- a/addons/website_sale/security/ir.model.access.csv
+++ b/addons/website_sale/security/ir.model.access.csv
@@ -11,4 +11,4 @@ access_product_attribute,product.attribute.public,website_sale.model_product_att
 access_product_attribute_value,product.attribute.value.public,website_sale.model_product_attribute_value,,1,0,0,0
 access_product_attribute_product,product.attribute.product.public,website_sale.model_product_attribute_product,,1,0,0,0
 access_website_product_style,website.product.style.public,website_sale.model_website_product_style,,1,0,0,0
-access_product_supplierinfo,product.supplierinfo.public,product.model_product_supplierinfo,,1,0,0,0
+access_product_supplierinfo,product.supplierinfo.public,product.model_product_supplierinfo,base.group_public,1,0,0,0