People reuse passwords across sites. When one site leaks passwords, attackers try them on Facebook.
Facebook pays security researchers who find vulnerabilities:
of the login page or news feed, but they do not function like the real site. The Login Page : Developers use
Websites claiming to hack Facebook with HTML/CSS/JS actually:
Malicious apps ask "Log in with Facebook" to read your profile data.
However, the term often appears in the context of , where HTML is used to build fake login pages. Understanding these methods is essential for protecting your own account. How HTML is Misused in Facebook Phishing