diff --git a/django/contrib/admin/templatetags/admin_list.py b/django/contrib/admin/templatetags/admin_list.py
index d97c36a2073..3c545539ee5 100644
--- a/django/contrib/admin/templatetags/admin_list.py
+++ b/django/contrib/admin/templatetags/admin_list.py
@@ -22,7 +22,7 @@ def paginator_number(cl,i):
     elif i == cl.page_num:
         return mark_safe(u'<span class="this-page">%d</span> ' % (i+1))
     else:
-        return mark_safe(u'<a href="%s"%s>%d</a> ' % (cl.get_query_string({PAGE_VAR: i}), (i == cl.paginator.num_pages-1 and ' class="end"' or ''), i+1))
+        return mark_safe(u'<a href="%s"%s>%d</a> ' % (escape(cl.get_query_string({PAGE_VAR: i})), (i == cl.paginator.num_pages-1 and ' class="end"' or ''), i+1))
 paginator_number = register.simple_tag(paginator_number)
 
 def pagination(cl):