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Solved by First blood grayhat
G4m3rNPC hasec Varythor ItaloFortine jiwi sescc laisfgzz crashek bonginc Conde carried ediopaulo0x6f
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Daily Hack #21

The comment leak

Web & API Security Difficulty ~3 min +10 XP

This billing dashboard looks clean, but a developer left a note in the HTML that never gets removed before shipping. Open View source, read the comment, and submit the debug endpoint it mentions.

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