ACCESS DENIED? NOT ALWAYS! HUNTING IDORS AND ACCESS CONTROL FLAWS

Summary from the TLDR InfoSec newsletter

IDOR vulnerabilities occur when attackers manipulate direct object references like IDs in URLs to access unauthorized data. As a common form of Broken Access Control, these flaws are prevalent in web applications, relatively easy to find, and highly impactful. This guide walks through how bug bounty hunters regularly exploit it.