This package is a PrestaShop module that allows users to post reviews and rate products. There is a vulnerability where the attacker could steal an administrator's cookie. The issue is fixed in version 5.0.2.
In the PrestaShop module "productcomments" before version 4.2.1, an attacker can use a Blind SQL injection to retrieve data or stop the MySQL service. The problem is fixed in 4.2.1 of the module.