Get the Whitepaper called Bypassing URL Authentication and Authorization with HTTP Verb Tampering.
You can download it from the following link: https://packetstormsecurity.com/files/download/66779/Bypassing_VBAAC_with_HTTP_Verb_Tampering.pdf
Source: https://packetstormsecurity.com/files/66779/Bypassing_VBAAC_with_HTTP_Verb_Tampering.pdf.html