Scope: Bug in Ultimate SEO 2-2.2e.
I am not sure if it exists or added in this version.

Bug description: When one clicks to check review page by clicking review link on product_info page, it

redirects to same Product info page.

In /catalog/includes/classes/seo.class.php
Under function ValidateName

Find:
if ((strpos($parts[count($parts) - 2], $type)) !== FALSE)

Replace with:
if ($parts[count($parts) - 2] == $type)

More...