Meta Platforms WhatsApp Incorrect Authorization Vulnerability Risks User Security

Meta Platforms’ WhatsApp has a security flaw involving incorrect authorization in its linked device synchronization messages. This vulnerability, linked to CWE-863, allows an unrelated user to trigger processing of content from any URL on a target’s device, potentially exposing users to malicious content.

While it’s unclear if this flaw has been exploited in ransomware campaigns, users should take immediate action. Apply all vendor-recommended mitigations, follow the guidance outlined in BOD 22-01 for cloud services, or consider discontinuing use of WhatsApp if no fixes are available.

This vulnerability highlights the importance of timely updates and cautious use of synchronization features to protect personal data and device security.

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