Tumblr Subdomain Takeover

Write up about how I successfully took over the subdomain of an Tumblr blog.

A Subdomain takeover is a cybersecurity vulnerability where attackers exploit abandoned or misconfigured subdomains, gaining unauthorized control. This can lead to malicious activities such as phishing, malware distribution, and defacement.Tumblr suggesting a 404 error, could mean the sub domain points to a blog that can be taken over

These are the steps I took to successfully take over this subdomain and link it to my own …

bug bounty hacker subdomains enumeration subdomain takeover white hat hacker