Email spoofing is an attack using an email header. In this attack, the message sent by the attacker appears to have originated from someone or somewhere else. Email spoofing is used for phishing and spam campaigns. The reason why this attack is successful because the people are more likely to open an email from a legitimate source. The main motive of email spoofing is to make people open the websites. The older versions of WordPress theme uses vulnerable file “sentmail.php”. This file can be easily exploited by the attacker and he can send E-Mails to others using your domain. The attacker can spoof your cyber identity.
The impact include:-