The irony here is that this security vulnerability was neatly highlighted by the latest security enhancement launched by WhatsApp. If users reply to a “disappearing message” or forward it elsewhere, then the “disappearing message” will likely be quoted and that will not be deleted. The real issue is buried in WhatsApp’s disappearing messages explainer: “By default, media you receive in WhatsApp will be automatically downloaded to your photos. The malicious image Instagram vulnerability they reported in September impacted both iPhone and Android devices. Open WhatsApp on your iPhone, then click on Settings, Chats, and ensure that “Save to Camera Roll” is switched off.

Source: Forbes November 15, 2020 10:30 UTC