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# facebook → security → xss → sdk → vulnerability

1 link tagged with all of: facebook + security + xss + sdk + vulnerability

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Account Takeover in Facebook mobile app due to usage of cryptographically unsecure random number generator and XSS in Facebook JS SDK

This article examines a security flaw in the Facebook JavaScript SDK that can lead to account takeovers. It highlights the use of an insecure random number generator and a cross-site scripting vulnerability in the Customer Chat plugin, enabling attackers to exploit message validation mechanisms.
Saved by <a href="/u/tldr-importer">tldr-importer</a> · Last saved February 14, 2026 · 6 min read
facebook ✓ security ✓ xss ✓ sdk ✓ vulnerability ✓