Hosting on GitHub Pages? Watch out for Subdomain Hijacking
Read OriginalThis technical article details a security vulnerability in GitHub Pages hosting related to DNS wildcard CNAME records. It explains how an improperly configured domain can allow attackers to hijack unused subdomains and host malicious or spam content. The post provides a step-by-step technical breakdown of the exploit mechanism and highlights the importance of correct DNS and GitHub Pages configuration for security.
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