There is XSS security vulnerability in 2.3.1 (the newest) version of category-grid-view-gallery plugin.
I requested CVE identifier for this issue in here: http://www.openwall.com/lists/oss-security/2013/07/11/1
You should address and fix this vulnerability as soon as possible. Please add "Security:" to your changelog and also the CVE identifier if possible. You can contact me in case you need help or have questions.