A Host Header Injection vulnerability exists in the password reset functionality of CraftMyCMS 4.0.2.2. The system uses $_SERVER[HTTP_HOST] directly to construct password reset links sent via email. An attacker can manipulate the Host header to send malicious reset links, enabling phishing attacks or account takeover.
The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.
Access control involves the use of several protection mechanisms such as:
When any mechanism is not applied or otherwise fails, attackers can compromise the security of the product by gaining privileges, reading sensitive information, executing commands, evading detection, etc. There are two distinct behaviors that can introduce access control weaknesses: