GitHub Repos· Aug 25, 2026· by r000t1ng

r000t1ng/Overflow-by-IndexedDB

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Writing 121 MB records into IndexedDB until the origin's storage quota is gone. Closing the tab does not give the space back.
🎯 Vulnerability: Web Security Vulnerability
💡 Defense Fix: Implement strict input validation, contextual output encoding, and enforce least-privilege authorization controls.
#browser-security#denial-of-service#indexeddb#javascript#proof-of-concept#security-research#storage-exhaustion#vulnerability-research