Get the Whitepaper called Exploit WordPress Plugin Vulnerability Using Static Source Code Analysis Techniques.
You can download it from the following link: https://packetstormsecurity.com/files/download/160615/exploit-wpplugin.pdf
Source: https://packetstormsecurity.com/files/160615/Exploit-WordPress-Plugin-Vulnerability-Using-Static-Source-Code-Analysis-Techniques.html