[super very critical] RCE and Unlimited Credits PayPal vulnerability. #43
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Checks if payment notify recieved from paypal servers.
Prevent two critical bugs.
Special request to paypal notify with bypass of paypal reciever email
check.
saveDetailsToFile() function.
Hack report example:
https://gist.github.com/S-anasol/9c91d92686bd0e882ee672a394fa1567#file-gistfile1-txt-L45-L48
Highlighted lines is bug execution example.
Bypass paypal email check(receiver_email) and create shell file(txt_id)
with any code inserted into any request variable.