Discover how attackers exploit host header injection and dangling markup to hijack accounts via poisoned password reset emails.
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Disclaimer:
The techniques described in this document are intended solely for ethical use and educational purposes. Unauthorized use of these methods outside approved environments is strictly prohibited, as it is illegal, unethical, and may lead to severe consequences.It is crucial to act responsibly, comply with all applicable laws, and adhere to established ethical guidelines. Any activity that exploits security vulnerabilities or compromises the safety, privacy, or integrity of others is strictly forbidden.
Password reset poisoning via dangling markup is a subtle yet dangerous vulnerability where an attacker manipulates HTTP headers, particularly the Host header to inject unsanitized input into HTML templates that are used in password reset emails.
In the PortSwigger lab referenced, the web application sends a password reset email that contains…