How I Discovered a Complete CSRF Protection Bypass on a Major Crypto Exchange And What Happened Next
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A bug bounty researcher discovered a complete CSRF protection bypass on a major crypto exchange's Django-based admin panel. The vulnerability stemmed from the server validating CSRF tokens only by format and length (32 characters) rather than cryptographically verifying them against Django's SECRET_KEY. Any matching
Table of contents
IntroductionThe TargetUnderstanding CSRF — The BasicsThe DiscoveryWhy Does This Happen?Testing Multiple Arbitrary StringsThe Real-World ImpactGet Hacker MD ’s stories in your inboxReporting the VulnerabilityThe Outcome — The Hard LessonWhat I LearnedTechnical Takeaway — How Django CSRF Should WorkFinal ThoughtsSort: