In this video, I’ll take you through the process of how I uncovered a critical 0-day vulnerability in Moodle, one of the world’s most widely used learning management systems. By carefully debugging and chaining multiple bugs, I was able to escalate privileges and gain access to sensitive areas of the platform — all starting from a guest user account. This exploit impacts over 140,000 websites, and I’ll walk you through every step I took to discover and analyze the Bug
The environment used for debugging the source code: https://github.com/NightBloodz/moodleTestingEnv
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