CVE-2025-55177 – WhatsApp iOS/WhatsApp Business for iOS/WhatsApp for Mac URL Processing Authorization Bypass

The following table lists the changes that have been made to the
CVE-2025-55177 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Aug. 29, 2025

    Action Type Old Value New Value
    Added Description Incomplete authorization of linked device synchronization messages in WhatsApp for iOS prior to v2.25.21.73, WhatsApp Business for iOS v2.25.21.78, and WhatsApp for Mac v2.25.21.78 could have allowed an unrelated user to trigger processing of content from an arbitrary URL on a target’s device. We assess that this vulnerability, in combination with an OS-level vulnerability on Apple platforms (CVE-2025-43300), may have been exploited in a sophisticated attack against specific targeted users.
    Added Reference https://www.whatsapp.com/security/advisories/2025/
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