ZenGo's Security Research Manager Tal Be'ery explained that exploitations of the 'View Once' feature allow users to access supposedly disappearing media multiple times, as the messages still exist on WhatsApp's servers, making them retrievable if social engineering is applied to discover their media URLs.
Despite Meta's attempts to address the 'View Once' feature's vulnerabilities, researchers discovered that a Chrome extension allowed access to already viewed messages, indicating that the initial fix did not effectively mitigate the security risks.
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